DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6100
see DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6100
Scheme 161
Scheme 162
- Ignition on. Activate the engine cooling fan (FC). Check that the engine cooling fan (FC) starts when activated. The fault is permanent if the engine cooling fan (FC) does not start when activated. The fault is intermittent if the engine cooling fan (FC) starts.
- Continue Refer to «CHECKING THE COMPONENTS AND WIRING»(ref-466669-S17512177732012042500000)
see DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6100
see DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6100
see DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6100
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6110
Condition
Scheme 163
The engine control module (ECM) checks that control of the intake camshaft is quick enough. This means that the intake camshaft (actual value) reaches the position requested by the engine control module (ECM) quickly enough. The diagnostic trouble code (DTC) is stored if the requested position is not reached within a certain time.
The diagnostic trouble code (DTC) can be diagnosed by the engine control module (ECM) when the engine is running and the camshaft control is active.
Substitute Value
None.
Possible Source
- Low oil pressure
- Poor oil quality
- Damaged reset valve
- Mechanical fault in the variable valve timing (VVT) unit.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6110
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-611B
Condition
The engine control module (ECM) checks that the position of the intake camshaft (actual value) corresponds to the requested position (desired value).
The diagnostic trouble code (DTC) is stored if the requested position is not reached.
The diagnostic trouble code (DTC) can be diagnosed while the engine is running and while camshaft control is active.
Substitute Value
None.
Possible Source
- Low oil pressure
- Poor oil quality
- Damaged reset valve
- Mechanical fault in the variable valve timing (VVT) unit.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-611B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-612B
Condition
The engine control module (ECM) checks the signal cable for the reset valve for the intake camshaft.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects an open-circuit in the signal cable for the reset valve.
The diagnostic trouble code (DTC) can be diagnosed at ignition on and with the engine running.
Substitute Value
None.
Possible Source
- Open-circuit in the signal cable
- Open-circuit in the power cable
- Damaged camshaft reset valve.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-612B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-612C
Condition
The engine control module (ECM) checks the signal cable for the reset valve for the intake camshaft.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the signal from the reset valve is too high.
The diagnostic trouble code (DTC) can be diagnosed at ignition on and with the engine running.
Substitute Value
None.
Possible Source
- Short-circuit to supply voltage in the signal cable
- Open-circuit in the power supply
- Damaged camshaft reset valve.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-612C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-612D
Condition
The engine control module (ECM) checks the signal cable for the reset valve for the intake camshaft.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the signal from the reset valve is too low.
The diagnostic trouble code (DTC) can be diagnosed at ignition on and with the engine running.
Substitute Value
None.
Possible Source
- Contact resistance in the terminals
- Short-circuit to ground in the signal cable
- Damaged camshaft reset valve.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-612D
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6140
Condition
The engine control module (ECM) checks that control of the exhaust camshaft is quick enough. This means that the exhaust camshaft (actual value) reaches the position requested by the engine control module (ECM) quickly enough. The diagnostic trouble code (DTC) is stored if the requested position is not reached within a certain time.
The diagnostic trouble code (DTC) can be diagnosed while the engine is running and while camshaft control is active.
Substitute Value
None.
Possible Source
- Low oil pressure
- Poor oil quality
- Damaged reset valve
- Mechanical fault in the variable valve timing (VVT) unit.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6140
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-614B
Condition
The engine control module (ECM) checks that the position of the exhaust camshaft (actual value) corresponds to the requested position (desired value).
The diagnostic trouble code (DTC) is stored if the requested position is not reached.
The diagnostic trouble code (DTC) can be diagnosed while the engine is running and while camshaft control is active.
Substitute Value
None.
Possible Source
- Low oil pressure
- Poor oil quality
- Damaged reset valve
- Mechanical fault in the variable valve timing (VVT) unit.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-614B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-616B
Condition
The engine control module (ECM) checks the signal cable for the reset valve for the exhaust camshaft.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects an open-circuit in the signal cable for the reset valve.
The diagnostic trouble code (DTC) can be diagnosed at ignition on and with the engine running.
Substitute Value
None.
Possible Source
- Open-circuit in the signal cable
- Open-circuit in the power cable
- Damaged camshaft reset valve.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-616B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-616C
Condition
The engine control module (ECM) checks the signal cable for the reset valve for the exhaust camshaft.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the signal from the reset valve is too high.
The diagnostic trouble code (DTC) can be diagnosed at ignition on and with the engine running.
Substitute Value
None.
Possible Source
- Short-circuit to supply voltage in the signal cable
- Damaged camshaft reset valve.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-616C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-616D
Condition
The engine control module (ECM) checks the signal cable for the reset valve for the exhaust camshaft.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the signal from the reset valve is too low.
The diagnostic trouble code (DTC) can be diagnosed at ignition on and with the engine running.
Substitute Value
None.
Possible Source
- Contact resistance in the terminals
- Short-circuit to ground in the signal cable
- Damaged camshaft reset valve.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-616D
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-618C
Condition
The engine control module (ECM) checks that control of the exhaust camshaft is quick enough. This means that the exhaust camshaft (actual value) reaches the position requested by the engine control module (ECM) quickly enough. The diagnostic trouble code (DTC) is stored if the requested position is not reached within a certain time.
The diagnostic trouble code can be diagnosed at cold-start, with the engine running and camshaft control active.
HINT: The term cold-start means that an engine start when catalytic converter heating is requested by Engine control module (ECM). Catalytic converter heating is requested when the engine has been off and cooled for at least 15 minutes, and the engine temperature at start is lower than 70 °C.
Substitute Value
- None.
Possible Source
- Low oil pressure
- Poor oil quality
- Damaged reset valve
- Mechanical fault in the variable valve timing (VVT) unit.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-619C
Condition
The engine control module (ECM) checks that control of the intake camshaft is quick enough. This means that the intake camshaft (actual value) reaches the position requested by the engine control module (ECM) quickly enough. The diagnostic trouble code (DTC) is stored if the requested position is not reached within a certain time.
The diagnostic trouble code can be diagnosed at cold-start, with the engine running and camshaft control active.
HINT: The term cold-start means that an engine start when catalytic converter heating is requested by Engine control module (ECM). Catalytic converter heating is requested when the engine has been off and cooled for at least 15 minutes, and the engine temperature at start is lower than 70 °C.
Substitute Value
- None.
Possible Source
- Low oil pressure
- Poor oil quality
- Damaged reset valve
- Mechanical fault in the variable valve timing (VVT) unit.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-620A
Condition
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers that the idling speed is 100 RPM lower or 200 RPM higher than the nominal idling speed.
There are diagnostics for the diagnostic trouble code (DTC) with the engine at operating temperature (>80 °C), the car stationary and idling.
Substitute Value
- None.
Possible Source
High
- Search the air and fuel supplies in the fuel system for the fault cause (air leakage, blockages, etc.).
Low
- Search the air and fuel supplies in the fuel system for the fault cause (air leakage, blockages, etc.).
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit
- High idling speed
- Low idling speed.
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-620B
Condition
The diagnostic trouble code (DTC) is stored in the engine control module (ECM) if the engine cooling fan control module registers that the temperature in the driver stage for the engine cooling fan control module is too high or if the fan blade is blocked.
The diagnostic trouble code (DTC) can be diagnosed when the engine is running.
Substitute Value
- Engine cooling fan (FC) switched off.
Possible Source
- Obstructed fan blade
- Damaged engine cooling fan (FC) control module.
Fault symptom[s]
- Engine cooling/Engine overheats/runs hot
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-620B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-620C
Condition
The diagnostic trouble code (DTC) is stored in the engine control module (ECM) if the engine cooling fan control module registers that the temperature in the driver stage for the engine cooling fan control module is too high or if the fan blade is blocked.
The diagnostic trouble code (DTC) can be diagnosed during the engine start process.
Substitute Value
- Engine cooling fan (FC) switched off.
Possible Source
- Obstructed fan blade
- Damaged engine cooling fan (FC) control module.
Fault symptom[s]
- Engine cooling/Engine overheats/runs hot
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-620C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-621B
Condition
The engine control module (ECM) checks the control signal cable for the engine cooling fan (FC). The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects a fault in the engine cooling fan (FC) module.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- None.
Possible Source
- Open-circuit in the signal cable
- Damaged engine cooling fan (FC) control module.
Fault symptom[s]
- The engine cooling fan (FC) does not work.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-621B
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-621B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-621C
Condition
The engine control module (ECM) checks the control signal cable for the engine cooling fan (FC). The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects a fault in the engine cooling fan (FC) module.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- None.
Possible Source
- Short-circuit to supply voltage in the signal cable
- Damaged engine cooling fan (FC) control module.
Fault symptom[s]
- The engine cooling fan (FC) runs continuously even when the ignition is switched off.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-621C
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-621C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-621D
Condition
The engine control module (ECM) checks the control signal cable for the engine cooling fan (FC).
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects a fault in the engine cooling fan (FC) module.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- None.
Possible Source
- Short-circuit to ground in the signal cable
- Short-circuit to ground in the power supply cable
- Damaged engine cooling fan (FC) control module.
Fault symptom[s]
- The engine cooling fan (FC) does not work.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-621D
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-621D
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6220
Condition
Scheme 164
The engine control module (ECM) monitors the engine temperature under different running conditions. If the signal from the engine temperature sensor corresponds to a temperature that is higher than a specific limit value despite a low engine load and speed, the control module interprets this as a fault and the diagnostic trouble code is stored.
The diagnostic trouble code (DTC) can be diagnosed when the engine is running.
Substitute Value
- None.
Possible Source
- Insufficient coolant in cooling system.
- Clogged radiator.
- Damaged engine cooling fan (FC) control module.
- Contact resistance or oxidation in the connectors.
- Damaged engine coolant temperature (ECT) sensor.
Fault symptom[s]
- Malfunction indicator light (MIL), on
- Engine is difficult to start
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6220
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-630B
Condition
Scheme 165
The engine control module (ECM) checks the signal cable for controlling the air conditioning (A/C) relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects an open-circuit in the signal cable for the air conditioning (A/C) relay.
The diagnostic trouble code (DTC) can be diagnosed at ignition on and with the engine running.
Substitute Value
None.
Possible Source
- Open-circuit in the signal cable
- Open-circuit in the power cable
- Damaged air conditioning (A/C) relay.
Fault symptom[s]
- The air conditioning (A/C) system does not operate.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-630B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-630C
Condition
The engine control module (ECM) checks the signal cable for controlling the air conditioning (A/C) relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the signal from the air conditioning (A/C) relay is too high.
The diagnostic trouble code (DTC) can be diagnosed at ignition on and with the engine running.
Substitute Value
None.
Possible Source
- Short-circuit to supply voltage in the signal cable
- Open-circuit in the power supply
- Damaged air conditioning (A/C) relay.
Fault symptom[s]
- The air conditioning (A/C) system does not operate.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-630C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-630D
Condition
The engine control module (ECM) checks the signal cable for controlling the air conditioning (A/C) relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the signal from the air conditioning (A/C) relay is too low.
The diagnostic trouble code (DTC) can be diagnosed at ignition on and with the engine running.
Substitute Value
None.
Possible Source
- Contact resistance in the terminals
- Short-circuit to ground in the signal cable
- Damaged air conditioning (A/C) relay.
Fault symptom[s]
- The air conditioning (A/C) system does not operate.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-630D
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6400
Condition
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects a short-circuit to supply voltage (high signal), short-circuit to ground (low signal) or an open-circuit (signal missing) in the signal circuit between the intake camshaft reset valve and the engine control module (ECM).
The diagnostic trouble code (DTC) can be diagnosed when the engine is running.
Substitute Value
- Variable intake camshaft control switched off.
Possible Source
Signal too high
- Short-circuit to supply voltage in the signal cable
- Damaged (intake) camshaft reset valve.
Signal too low
- Short-circuit to ground in the signal cable
- Short-circuit to ground in the power supply cable
- Contact resistance in the connectors
- Damaged (intake) camshaft reset valve.
Signal missing
- Open-circuit in the signal cable
- Open-circuit in the power supply cable
- Damaged (intake) camshaft reset valve.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit
- Uneven idle
- Deterioration in performance
- The engine stops.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6400
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6400
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6404
Condition
The engine control module (ECM) checks that the actual camshaft angle position (actual value for the camshaft shift angle) corresponds to the requested angle position (target value for the camshaft shift angle). The diagnostic trouble code (DTC) is stored if the value for the actual camshaft angle position is higher (signal too high) or lower (signal too low) than the control module target value for the camshaft angle position.
The fault code is diagnosed with the engine running and catalytic converter heating in progress (engine temperature between -10 and 80 °C).
Substitute Value
- None.
Possible Source
Signal too high
- Short-circuit to supply voltage in the signal cable.
- Poor engine oil quality
- VVT-unit tightened with too high torque against camshaft.
- Damaged camshaft reset valve
- Mechanical fault in the continuous variable valve timing (CVVT) unit.
Signal too low
- Not detectable.
Fault symptom[s]
- Uneven idle
- Increased emissions
- The engine cuts out when driving.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6404
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-640A
Condition
Scheme 166
The engine control module (ECM) checks that control of the intake camshaft is rapid enough by measuring the time taken to deploy the camshaft to the requested angle.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that deployment of the camshaft is too slow (signal too high) or to slow when the camshaft returns (signal too low).
The diagnostic trouble code is diagnosed by engine control module (ECM) when the engine is warm and engine speed is higher than 1300 RPM.
Substitute Value
None.
Possible Source
Signal too high
- Short-circuit to supply voltage in the signal cable.
- Open circuit on cable harness to VVT-unit.
- Poor oil quality
- Oil level too low.
- VVT-unit tightened with too high torque against camshaft.
- Damaged camshaft reset valve
- Mechanical fault in the variable valve timing (VVT) unit.
Signal too low
- The signal cable is short-circuited to ground.
- Poor engine oil quality
- Damaged camshaft reset valve
- VVT-unit tightened with too high torque against camshaft.
- Mechanical fault in the variable valve timing (VVT) unit.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit
- High emissions
- The engine cuts out when driving.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-640A
Condition
The engine control module (ECM) checks that the actual camshaft angle position (actual value for the camshaft shift angle) corresponds to the requested angle position (target value for the camshaft shift angle). The diagnostic trouble code (DTC) is stored if the value for the actual camshaft angle position is higher (signal too high) or lower (signal too low) than the control module target value for the camshaft angle position.
The diagnostic is active when the engine is running, engine at operating temperature.
Substitute Value
- None.
Possible Source
Signal too high
- Poor engine oil quality
- Damaged camshaft reset valve
- Mechanical fault in the continuous variable valve timing (CVVT) unit.
Signal too low
- Short-circuit to supply voltage in the signal cable
- Poor engine oil quality
- Damaged camshaft reset valve
- Mechanical fault in the continuous variable valve timing (CVVT) unit.
Fault symptom[s]
- Malfunction indicator light (MIL), on
- Uneven idle
- High emissions
- The engine cuts out when driving.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-640A
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-640C
Condition
The diagnostic trouble code (DTC) is stored if the ratio between the measured boost pressure (measured value from the boost pressure sensor before the throttle) and the calculated boost pressure (calculated value after the throttle) is incorrect.
The diagnostic trouble code (DTC) can be diagnosed when the engine is running and the turbocharger (TC) control system is not active.
Substitute Value
- Reduced boost pressure.
Possible Source
- Air leakage downstream of the turbocharger (TC) (between the turbocharger (TC) and the electronic throttle unit)
- The boost pressure sensor has come loose (measures the atmospheric pressure)
- Damaged boost pressure sensor.
- Damaged check valve to crankcase ventilation.
Fault symptom[s]
- Poor performance.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-640C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-640D
Condition
The diagnostic trouble code (DTC) is stored if the ratio between the measured boost pressure (measured value from the boost pressure sensor before the throttle) and the calculated boost pressure (calculated value after the throttle) is incorrect.
The diagnostic trouble code (DTC) can be diagnosed when the engine is running and the turbocharger (TC) control system is active.
Substitute Value
- Reduced boost pressure.
Possible Source
- Air leakage downstream of the turbocharger (TC) (between the turbocharger (TC) and the electronic throttle unit)
- The boost pressure sensor has come loose (measures the atmospheric pressure)
- Damaged boost pressure sensor.
Fault symptom[s]
- Poor performance.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-640D
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-640F
Condition
The engine control module (ECM) checks that the camshaft is in the correct position in relation to the position of the crankshaft. If the camshaft position is incorrect, the control module will adjust the adaptation for the camshaft position. The diagnostic trouble code (DTC) is stored if the adaptation is too great.
The diagnosis is active when the engine is on and is warm.
Substitute Value
- None.
Possible Source
Signal too high
- Poor quality engine oil.
- The timing gear belt has jumped off the cogs.
- Incorrectly adjusted camshafts.
- Damaged reset valve.
- Mechanical fault in the variable valve timing (VVT) unit.
Signal too low
- Poor quality engine oil.
- The timing gear belt has jumped off the cogs.
- Incorrectly adjusted camshafts.
Incorrect adjustment
- The timing gear belt has jumped off the cogs.
Fault symptom[s]
- Malfunction indicator light (MIL), on
- Uneven idle
- High emissions
- Engine stalls when driving
Condition
The engine control module (ECM) checks that the camshaft is in the correct position in relation to the position of the crankshaft. If the camshaft position is incorrect, the control module will adjust the adaptation for the camshaft position. The diagnostic trouble code (DTC) is stored if the adaptation is too great.
The diagnosis is active when the engine is on and is warm.
Substitute Value
- None.
Possible Source
Signal too high
- Poor quality engine oil.
- The timing gear belt has jumped off the cogs.
- Incorrectly adjusted camshafts.
- Damaged reset valve.
- Mechanical fault in the variable valve timing (VVT) unit.
Signal too low
- Poor quality engine oil.
- The timing gear belt has jumped off the cogs.
- Incorrectly adjusted camshafts.
Fault symptom[s]
- Malfunction indicator light (MIL), on
- Uneven idle
- High emissions
- Engine stalls when driving
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-640F
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6600
Condition
Scheme 167
The engine control module (ECM) checks the signal cable for the starter motor relay coil.
The diagnostic trouble code (DTC) is stored if the control module detects that
- Open circuit on signal cable.
The diagnostic trouble code (DTC) can be diagnosed when
- Ignition on before start attempt.
Substitute Value
- None.
Possible Source
- Open circuit on signal cable.
Fault symptom[s]
- The starter motor does not turn
Condition
The engine control module (ECM) checks the signal cable for the starter motor relay coil.
The diagnostic trouble code (DTC) is stored (high signal) if the engine control module (ECM) detects that the signal is high despite the ignition switch being in position 2 (ignition position).
The diagnostic trouble code (DTC) is stored (low signal) if the engine control module (ECM) detects that the signal is low despite the ignition switch being in position 3 (starting position).
Substitute Value
- None.
Possible Source
Signal too high
- Short-circuit to supply voltage in the signal cable
- Damaged starter motor relay.
Signal too low
- Short-circuit to ground in the signal cable
- Open-circuit in the signal cable
- Damaged starter motor relay
- The 12 volt supply to the starter motor is not functioning.
Fault symptom[s]
- The starter motor does not turn
- The starter motor turns but the engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6600
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-673C
Condition
Scheme 168
The engine control module (ECM) checks the angle of the camshaft (its position in relation to the crankshaft).
If the angle of the exhaust camshaft is too high (the camshaft is "in front of" the crankshaft), the engine control module (ECM) will adapt the angle of the camshaft. The diagnostic trouble code (DTC) is stored if the adaptation value is above a certain level. The diagnostic trouble code (DTC) can be diagnosed when the engine is at operating temperature and is idling.
Substitute Value
None.
Possible Source
- Poor engine oil quality
- Incorrectly adjusted camshafts
- The timing gear belt has jumped off the cogs
- Damaged camshaft reset valve
- Mechanical fault in the variable valve timing (VVT) unit.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-673C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-673D
Condition
The engine control module (ECM) checks the angle of the camshaft (its position in relation to the crankshaft).
If the angle of the exhaust camshaft is too low (the camshaft is "behind" the crankshaft), the engine control module (ECM) will adapt the angle of the camshaft. The diagnostic trouble code (DTC) is stored if the adaptation value is below a certain level. The diagnostic trouble code (DTC) can be diagnosed when the engine is at operating temperature and is idling.
Substitute Value
None.
Possible Source
- Poor engine oil quality
- Incorrectly adjusted camshafts
- The timing gear belt has jumped off the cogs.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-673D
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-674C
Condition
The engine control module (ECM) checks the angle of the camshaft (its position in relation to the crankshaft).
If the angle of the intake camshaft is too high (the camshaft is "in front of" the crankshaft), the engine control module (ECM) will adapt the angle of the camshaft. The diagnostic trouble code (DTC) is stored if the adaptation value is above a certain level. The diagnostic trouble code (DTC) can be diagnosed when the engine is at operating temperature and is idling.
Substitute Value
None.
Possible Source
- Poor engine oil quality
- Incorrectly adjusted camshafts
- The timing gear belt has jumped off the cogs
- Damaged camshaft reset valve
- Mechanical fault in the variable valve timing (VVT) unit.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-674C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-674D
Condition
The engine control module (ECM) checks the angle of the camshaft (its position in relation to the crankshaft).
If the intake camshaft's angle position deviates and is too low (the camshaft is "after" the crankshaft) during fuel trim, the Engine control module (ECM) interprets this as a fault and stores a DTC.
The control module's test for the diagnostic trouble code (DTC) starts when
- Engine idling
- Hot engine.
Substitute Value
None.
Possible Source
- Poor engine oil quality
- Incorrectly adjusted camshafts
- The timing gear belt has jumped off the cogs.
Fault symptom[s]
- Warning lights and chimes/Malfunction Indicator Light ("Check engine" light) indication/no indication
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-674D
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6750
Condition
After the engine is switched off the camshaft pulley sets itself in the locked position. When the engine is started again, the engine control module (ECM) checks that the exhaust camshaft pulley is in the locked position during the start process. The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the camshaft pulley is not in the locked position during the start process.
The diagnostic trouble code (DTC) can be diagnosed during the engine start process.
Substitute Value
None.
Possible Source
- Blocked oil ducts for the camshaft reset valve
- Damaged reset valve
- Mechanical fault in the variable valve timing (VVT) unit.
Fault symptom[s]
- Noise from the belt transmission.
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-6760
Condition
After the engine is switched off the camshaft pulley sets itself in the locked position. When the engine is started again, the engine control module (ECM) checks that the intake camshaft pulley is in the locked position during the start process. The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the camshaft pulley is not in the locked position during the start process.
The diagnostic trouble code (DTC) can be diagnosed during the engine start process.
Substitute Value
None.
Possible Source
- Blocked oil ducts for the camshaft reset valve
- Damaged reset valve
- Mechanical fault in the variable valve timing (VVT) unit.
Fault symptom[s]
- Noise from the belt transmission.
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-700C
Condition
Scheme 169
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects a fault in the circuit for the internal temperature sensor in the control module. The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- None.
Possible Source
- Damaged engine control module (ECM).
Fault symptom[s]
- None.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-700C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-700D
Condition
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects a fault in the circuit for the internal temperature sensor in the control module. The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- None.
Possible Source
- Damaged engine control module (ECM).
Fault symptom[s]
- None.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-700D
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-7010
Condition
The diagnostic trouble code (DTC) is stored if the temperature in the engine control module (ECM) exceeds 95 °C.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- The engine cooling fan (FC) runs at low-speed.
Possible Source
- Air supply is blocked.
Fault symptom[s]
- None.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-7010
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-7020
Condition
The diagnostic trouble code (DTC) is stored if the temperature in the engine control module (ECM) exceeds 105 °C.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- The engine cooling fan (FC) runs at low-speed.
Possible Source
- Air supply is blocked.
Fault symptom[s]
- None.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-7020
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-7100
Condition
The engine control module (ECM) contains a code for the immobilizer which is unique to each car. Before the engine can be started, the immobilizer code is checked to ensure that it corresponds to both the central electronic module (CEM) and the engine control module (ECM). The diagnostic trouble code (DTC) is stored if the immobilizer code does not correspond.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
None.
Possible Source
- The engine control module (ECM) has an incorrect code for the immobilizer
- The central electronic module (CEM) has an incorrect code for the immobilizer
- Damaged engine control module (ECM).
Fault symptom[s]
- The starter motor turns but the engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-7100
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-710A
Condition
The central electronic module (CEM) transmits the global time on the CAN network. If this is not transmitted to the engine control module (ECM), it is interpreted as a fault. The diagnostic trouble code (DTC) is stored in the engine control module (ECM).
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
None.
Possible Source
- Open-circuit in the control area network (CAN) wiring
- Short-circuit between the control area network (CAN) wiring
- Internal fault in the engine control module (ECM)
- Internal fault in another control module in the same part of the control area network (CAN).
Fault symptom[s]
None.
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-710B
Condition
The engine control module (ECM) contains a code for the immobilizer which is unique to each car. Before the engine can be started, the immobilizer code is checked to ensure that it corresponds to both the central electronic module (CEM) and the engine control module (ECM).
The diagnostic trouble code (DTC) will be stored if there is no communication between the central electronic module (CEM) and the engine control module (ECM) so that the immobilizer code cannot be checked.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
None.
Possible Source
- Open-circuit in the communication between the central electronic module (CEM) and the engine control module (ECM)
- The central electronic module (CEM) is not programmed and has no code for the immobilizer
- Damaged central electronic module (CEM).
Fault symptom[s]
- The starter motor turns but the engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-710B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-710C
Condition
The engine control module (ECM) contains a code for the immobilizer which is unique to each car. Before the engine can be started, the immobilizer code is checked to ensure that it corresponds to both the central electronic module (CEM) and the engine control module (ECM).
The diagnostic trouble code (DTC) will be stored if the engine control module (ECM) is not programmed or if an internal fault is detected in the engine control module (ECM).
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
None.
Possible Source
- The engine control module (ECM) is not programmed and has no code for the immobilizer
- Damaged engine control module (ECM).
Fault symptom[s]
- The starter motor turns but the engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-710C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-710D
Condition
The engine control module (ECM) contains a code for the immobilizer which is unique to each car. Before the engine can be started, the immobilizer code is checked to ensure that it corresponds to both the central electronic module (CEM) and the engine control module (ECM).
The diagnostic trouble code (DTC) will be stored if the engine control module (ECM) is not programmed or if an internal fault is detected in the engine control module (ECM).
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
None.
Possible Source
- Damaged engine control module (ECM).
Fault symptom[s]
- The starter motor turns but the engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-710D
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-7110
Condition
The engine control module (ECM) contains a code for the immobilizer which is unique to each car. The unique code is checked so that it corresponds to the central electronic module (CEM) and the engine control module (ECM). The electronic immobilizer has another criterion that must be met before it allows the engine to start. A check is performed via CAN communication to ensure that the hardware serial number on the brake control module (BCM) corresponds to the number stored in the engine control module (ECM). The hardware series number is automatically stored when downloading software to the engine control module (ECM). If the hardware series number corresponds to the engine control module (ECM) and the brake control module (BCM), the electronic immobilizer will allow the engine to start.
The diagnostic trouble code (DTC) is stored if the hardware serial number in the brake control module (BCM) does not correspond to the number stored in the engine control module (ECM).
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
None.
Possible Source
- The programmed hardware serial number in the engine control module (ECM) does not correspond to the relevant hardware serial number in the brake control module (BCM).
Fault symptom[s]
- The starter motor turns but the engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-7110
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-711B
Condition
The engine control module (ECM) contains a code for the immobilizer which is unique to each car. The unique code is checked so that it corresponds to the central electronic module (CEM) and the engine control module (ECM). The electronic immobilizer has another criterion that must be met before it allows the engine to start. A check is performed via CAN communication to ensure that the hardware serial number on the brake control module (BCM) corresponds to the number stored in the engine control module (ECM). The hardware series number is automatically stored when downloading software to the engine control module (ECM). If the hardware series number corresponds to the engine control module (ECM) and the brake control module (BCM), the electronic immobilizer will allow the engine to start.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers that there is a fault in the CAN communication between the engine control module (ECM) and the brake control module (BCM).
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
None.
Possible Source
- Fault trace the brake control module (BCM)
- Open-circuit or short-circuit in the CAN wiring between the engine control module (ECM) and the brake control module (BCM).
Fault symptom[s]
- The starter motor turns but the engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-711B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-711C
Condition
The engine control module (ECM) contains a code for the immobilizer which is unique to each car. The unique code is checked so that it corresponds to the central electronic module (CEM) and the engine control module (ECM). The electronic immobilizer has another criterion that must be met before it allows the engine to start. A check is performed via CAN communication to ensure that the hardware serial number on the brake control module (BCM) corresponds to the number stored in the engine control module (ECM). The hardware series number is automatically stored when downloading software to the engine control module (ECM). If the hardware series number corresponds to the engine control module (ECM) and the brake control module (BCM), the electronic immobilizer will allow the engine to start.
The diagnostic trouble code (DTC) is stored if an internal fault is registered in the engine control module (ECM).
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
None.
Possible Source
- Damaged engine control module (ECM).
Fault symptom[s]
- The starter motor turns but the engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-711C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-7140
Condition
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers a fault in the temperature sensor circuit inside the module.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- The engine cooling fan (FC) is activated at the predefined speed
- The temperature is set to 60 °C.
Possible Source
- Damaged engine control module (ECM).
Fault symptom[s]
- None.
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-715D
Condition
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the internal temperature in the engine control module (ECM) has exceeded 90 °C for longer than a total of 200 hours.
The diagnostic trouble code (DTC) is diagnosed when the ignition is on.
Substitute Value
- The engine cooling fan (FC) is activated at the predefined speed.
Possible Source
- The air supply is blocked
- Extreme heat conditions.
Fault symptom[s]
- None.
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-716D
Condition
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the internal temperature in the engine control module (ECM) has exceeded 120 °C for at least 30 minutes at a time.
The diagnostic trouble code (DTC) is diagnosed when the ignition is on.
Substitute Value
- The engine cooling fan (FC) is activated at the predefined speed.
Possible Source
- The air supply is blocked
- Extreme heat conditions.
Fault symptom[s]
- None.
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-720A
Condition
The engine control module (ECM) contains a code for the immobilizer which is unique to each car. The unique code is checked so that it corresponds to the central electronic module (CEM) and the engine control module (ECM). The electronic immobilizer has another criterion that must be met before it allows the engine to start. A check is performed via CAN communication to ensure that the hardware series number on the brake control module (BCM) corresponds to the number stored in the engine control module (ECM).
The hardware series number is automatically stored when downloading software to the engine control module (ECM). If the hardware series number corresponds to the engine control module (ECM) and the brake control module (BCM), the electronic immobilizer will allow the engine to start. The diagnostic trouble code (DTC) is stored (signal missing) if the engine control module (ECM) registers that there is a fault in the CAN communication between the engine control module (ECM) and the brake control module (BCM). The diagnostic trouble code (DTC) is stored (comparison fault) if the hardware series number in the brake control module (BCM) does not correspond to the number stored in the engine control module (ECM). The diagnostic trouble code (DTC) is stored (communication fault) if the engine control module (ECM) registers a fault related to the immobilizer function in the central electronic module (CEM).
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
None.
Possible Source
Signal missing
- Fault trace the brake control module (BCM).
Comparison fault
- The programmed hardware series number in the engine control module (ECM) does not correspond to the relevant hardware series number in the brake control module (BCM).
Communication fault
- Fault trace the central electronic module (CEM)
- The engine control module (ECM) or central electronic module (CEM) has been replaced and contains incorrect software.
Fault symptom[s]
- The starter motor turns but the engine does not start.
Condition
The engine control module (ECM) contains a code for the immobilizer which is unique to each car. The unique code is checked so that it corresponds to the central electronic module (CEM) and the engine control module (ECM). The electronic immobilizer has another criterion that must be met before it allows the engine to start. A check is performed via CAN communication to ensure that the hardware series number on the brake control module (BCM) corresponds to the number stored in the engine control module (ECM).
The hardware series number is automatically stored when downloading software to the engine control module (ECM). If the hardware series number corresponds to the engine control module (ECM) and the brake control module (BCM), the electronic immobilizer will allow the engine to start. The diagnostic trouble code (DTC) is stored (signal missing) if the engine control module (ECM) registers that there is a fault in the CAN communication between the engine control module (ECM) and the brake control module (BCM). The diagnostic trouble code (DTC) is stored (comparison fault) if the hardware series number in the brake control module (BCM) does not correspond to the number stored in the engine control module (ECM). The diagnostic trouble code (DTC) is stored (communication fault) if the engine control module (ECM) registers a fault related to the immobilizer function in the central electronic module (CEM).
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
None.
Possible Source
Signal missing
- Fault trace the brake control module (BCM).
Comparison fault
- The programmed hardware series number in the engine control module (ECM) does not correspond to the relevant hardware series number in the brake control module (BCM).
Communication fault
- Fault trace the central electronic module (CEM)
- The engine control module (ECM) or central electronic module (CEM) has been replaced and contains incorrect software.
Fault symptom[s]
- The starter motor turns but the engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-720A
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-720A
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-7300
Condition
Scheme 170
The engine control module (ECM) checks the signals for gear position sensor positions P and N.
The diagnostic trouble code (DTC) (Faulty signal) is stored if the engine control module (ECM) detects that the signal for P and N via CAN communication is missing or is incorrect.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- None.
Possible Source
- Faulty CAN communication.
Fault symptom[s]
- The starter motor does not turn.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-7300
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-730B
Condition
The engine control module (ECM) checks the signals for gear position sensor positions P and N.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects a difference between the directly connected signal and the signal via CAN communication for the gear position sensor position.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- Signal via CAN communication is used.
Possible Source
- Short-circuit to ground or supply voltage in the signal cable
- Open-circuit in the signal cable
- Fault trace the transmission control module (TCM).
Fault symptom[s]
- The starter motor does not turn.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-730B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-740B
Condition
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers a fault in the CAN communication between the central electronic module (CEM) and the engine control module (ECM).
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
None.
Possible Source
- Open-circuit in the control area network (CAN) wiring
- Short-circuit between the control area network (CAN) wiring
- Internal fault in the engine control module (ECM)
- Internal fault in another control module in the same part of the control area network (CAN).
Fault symptom[s]
- None.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-740B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-740C
Condition
The diagnostic trouble code (DTC) is stored in the engine control module (ECM) if the central electronic module (CEM) detects that the check sum calculated by the engine control module (ECM) does not correspond to the check sum stored in the central electronic module (CEM).
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
None.
Possible Source
- One or more diagnostic trouble codes (DTCs) are stored in the central electronic module (CEM).
Fault symptom[s]
- None.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-740C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-8000
Condition
Scheme 171
When the ignition is switched on, the 12 volt supply to the engine control module (ECM) is checked. The diagnostic trouble code (DTC) is stored if there is no voltage.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- None.
Possible Source
- Damaged power supply fuse
- Open-circuit in the power cable.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-800C
Condition
The engine control module (ECM) checks the function of the system relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers voltage from the system relay when the relay is deactivated.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched off.
Substitute Value
- None.
Possible Source
- Short-circuit to supply voltage in the power supply cable
- Damaged system relay.
Fault symptom[s]
- Starting/Engine does not start/Unsure when/at all times
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-800C
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-800C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-800D
Condition
The engine control module (ECM) checks the function of the system relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers that the voltage from the system relay is too low when the relay is activated.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- None.
Possible Source
- Contact resistance in the terminals
- Open-circuit in the signal cable for the system relay
- Damaged system relay.
Fault symptom[s]
- The engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-800D
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-800D
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-8010
Condition
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the battery voltage exceeds 16 V (high signal) or is below 8 V (low signal) and it is interpreted as a fault.
The diagnostic trouble code (DTC) is diagnosed at ignition on and with the engine running.
Substitute Value
- None.
Possible Source
Signal too high
- Damaged charging system.
Signal too low
- Contact resistance in the terminals
- The charging system is not functioning
- Damaged battery.
Fault symptom[s]
- The engine cuts out
- The starter motor turns but the engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-8010
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-801B
Condition
The engine control module (ECM) checks the system relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the voltage on the signal cable for the system relay is lower than a certain value.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- None.
Possible Source
- Short-circuit to ground in the signal cable
- Damaged system relay.
Fault symptom[s]
- The engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-801B
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-801B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-801C
Condition
The engine control module (ECM) checks the system relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the voltage on the signal cable for the system relay is higher than a certain value.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- None.
Possible Source
- Short-circuit to supply voltage in the signal cable
- Damaged system relay.
Fault symptom[s]
- The engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-801C
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-801C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-801D
Condition
The engine control module (ECM) checks the system relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the voltage on the signal cable for the system relay is lower than a certain value.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- None.
Possible Source
- Open-circuit in the signal cable
- Damaged system relay.
Fault symptom[s]
- The engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-801D
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-801D
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-8200
Condition
The engine control module (ECM) checks the power supply from the system relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the voltage from the system relay is below 2.5 V.
The diagnostic trouble code (DTC) can be diagnosed at ignition on or when the engine is running.
Substitute Value
- The engine control module (ECM) assumes a voltage of 13.4 V.
Possible Source
- Damaged engine control module (ECM).
Fault symptom[s]
- The engine cuts out
- The engine does not start.
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-820A
Condition
The engine control module (ECM) performs internal checks after the ignition has been switched off. These checks are complete within 10 minutes. The engine control module (ECM) then cancels the activation of the system relay coil.
The diagnostic trouble code (DTC) is stored if the control module registers that the system relay is still engaged after the activation is cancelled.
Substitute Value
- None.
Possible Source
- Short-circuit to ground in the signal cable
- Short-circuit to supply voltage in the signal cable
- Damaged system relay.
Fault symptom[s]
- None.
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-820C
Condition
The engine control module (ECM) checks the power supply from the system relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the voltage from the system relay is higher than a certain value.
The diagnostic trouble code (DTC) can be diagnosed at ignition on or when the engine is running.
Substitute Value
- None.
Possible Source
- Defective charging system.
Fault symptom[s]
- Starting/Engine does not start/Unsure when/at all times
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-820C
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-820D
Condition
The engine control module (ECM) checks the power supply from the system relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the voltage from the system relay is lower than a certain value.
The diagnostic trouble code (DTC) can be diagnosed at ignition on or when the engine is running.
Substitute Value
- None.
Possible Source
- Faulty charging system
- Damaged battery.
Fault symptom[s]
- Starting/Engine stalls
- Driving/Engine stalls/Unsure when/at all times
- Starting/Engine does not start/Unsure when/at all times
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-820D
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-8210
Condition
The engine control module (ECM) checks the power supply from the system relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the power supply from the engine control module (ECM) to the throttle unit is lower than 8 V.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- The injectors are shut off.
Possible Source
- Faulty charging system
- Contact resistance in the terminals
- Damaged system relay.
Fault symptom[s]
- The starter motor turns but the engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-8210
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-8210
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-821B
Condition
The engine control module (ECM) checks the power supply from the system relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the power supply from the system relay is lower than a certain value.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- None.
Possible Source
- Faulty charging system
- Contact resistance in the terminals
- Open-circuit in the signal cable for the system relay
- Damaged system relay.
Fault symptom[s]
- The starter motor turns but the engine does not start.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-821B
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-8300
Condition
The engine control module (ECM) uses LIN communication to communicate with the alternator control module (ACM).
The diagnostic trouble code (DTC) is stored if the alternator control module (ACM) transmits information to the engine control module (ECM) indicating that the temperature of the generator (GEN) is above or certain value of indicating a mechanical fault (the engine speed (RPM) is above a certain value but the generator (GEN) is stationary).
The diagnostic trouble code (DTC) can be diagnosed when the engine speed (RPM) is 600 RPM or higher.
Substitute Value
- None.
Possible Source
- Defective auxiliaries belt and belt tensioner
- Damaged freewheel
- Damaged generator (GEN)
- The air ducts for the generator (GEN) are blocked.
Fault symptom[s]
- The "Generator not charging" warning lamp is lit when the engine is running
- The battery discharges
- Low rotation speed in the starter motor
- Noise from the generator (GEN)
- Noise from the belt transmission
- The engine judders under acceleration.
See DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-8300
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION ECM-830B
Condition
The engine control module (ECM) transmits and receives information via a standardized serial communication method - LIN (Local Interconnect Network).
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects interference in communication with the alternator control module (ACM).
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute Value
- The alternator control module (ACM) (charge regulator) charges at a fixed voltage of 13.8 V.
Possible Source
- Contact resistance and oxidation in the terminals
- Short-circuit between the LIN wiring
- Open-circuit in the LIN wiring
- Internal fault in another control module in the same part of the LIN network
- Damaged alternator control module (ACM) (charge regulator)
- A generator (GEN) and alternator control module (ACM) (charge regulator) are installed which are not suitable for LIN communication.
Fault symptom[s]
- The "Generator not charging" warning lamp is lit when the engine is running.