WHEN MONITORED
Ignition on and ETC motor is not in the Limp Home Position.
SET CONDITION
When the Powertrain Control Module (PCM) detects an internal error or a short between the ETC Motor (-) and ETC Motor (+) circuits in the ETC Motor Driver. One trip fault. ETC light is flashing.
POSSIBLE CAUSES
| POSSIBLE CAUSES |
|---|
| THROTTLE PLATE STUCK OR OBSTRUCTED |
| ETC MOTOR (+) CIRCUIT SHORTED TO VOLTAGE |
| ETC MOTOR (-) CIRCUIT SHORTED TO VOLTAGE |
| ETC MOTOR (+) CIRCUIT SHORTED TO THE ETC MOTOR (-) CIRCUIT |
| ETC POSITIVE CIRCUIT SHORTED TO GROUND |
| ETC NEGATIVE CIRCUIT SHORTED TO GROUND |
| ETC MOTOR (+) CIRCUIT OPEN OR HIGH RESISTANCE |
| ETC MOTOR (-) CIRCUIT OPEN OR HIGH RESISTANCE |
| ETC MOTOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on and battery voltage greater than 10.4 volts.
The Powertrain Control Module (PCM) detects that the APP Sensor 1 input voltage is below the minimum acceptable value. Acceleration rate and Engine output are limited. One trip fault and the code will set within 5 seconds. ETC light is flashing
| POSSIBLE CAUSES |
|---|
| 5-VOLT SUPPLY APP SENSOR 1 CIRCUIT OPEN OR SHORTED TO GROUND |
| APP SENSOR 1 SIGNAL CIRCUIT SHORTED TO GROUND |
| APP SENSOR 1 SIGNAL CIRCUIT SHORTED TO THE APP SENSOR 1 GROUND CIRCUIT |
| APP SENSOR 1 SIGNAL CIRCUIT SHORTED TO THE APP SENSOR 2 GROUND CIRCUIT |
| APP SENSOR 1 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| APP SENSOR 1 GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| ACCELERATOR PEDAL POSITION SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on and battery voltage greater than 10.4 volts.
The Powertrain Control Module (PCM) detects that the Accelerator Pedal Position (APP) Sensor 1 input voltage is above 4.73 volts for 0.08 seconds.
| POSSIBLE CAUSES |
|---|
| 5-VOLT SUPPLY APP SENSOR 1 CIRCUIT SHORTED TO VOLTAGE |
| APP SENSOR SIGNAL 1 CIRCUIT SHORTED TO VOLTAGE |
| APP SENSOR SIGNAL 1 CIRCUIT SHORTED TO THE 5-VOLT SUPPLY APP SENSOR 2 CIRCUIT |
| APP SENSOR SIGNAL 1 CIRCUIT OPEN OR HIGH RESISTANCE |
| APP SENSOR 1 GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| ACCELERATOR PEDAL POSITION SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on and battery voltage greater than 10.4 volts.
The Powertrain Control Module (PCM) detects that the APP Sensor 2 input voltage is below the minimum acceptable value. Acceleration rate and Engine output are limited. One trip fault and the code will set within 5 seconds. ETC light is flashing.
| Possible Causes |
|---|
| 5-VOLT SUPPLY CIRCUIT OPEN OR SHORTED TO GROUND |
| APP SENSOR 2 SIGNAL CIRCUIT OPEN |
| APP SENSOR 2 SIGNAL CIRCUIT SHORTED TO GROUND |
| APP SENSOR 2 SIGNAL CIRCUIT SHORTED TO THE APP SENSOR 1 RETURN CIRCUIT |
| APP SENSOR 2 SIGNAL CIRCUIT SHORTED TO THE APP SENSOR 2 RETURN CIRCUIT |
| APP SENSOR 2 GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| APP SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, battery voltage greater than 10.4 volts, and no Accelerator Pedal Position (APP) Sensor 1 and Accelerator Pedal Position (APP) Sensor 2 DTCs present.
The Powertrain Control Module (PCM) detects that the correlation between APP Sensor 1 and APP Sensor 2 is not plausible. Idle may be affected when the brake pedal is pressed or if a brake switch circuit error is present. Acceleration rate and engine output are limited. One trip fault and the code will set within five seconds. ETC light is flashing.
| POSSIBLE CAUSES |
|---|
| 5-VOLT SUPPLY APP SENSOR 2 CIRCUIT SHORTED TO VOLTAGE |
| APP SENSOR SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE |
| APP SENSOR SIGNAL 2 CIRCUIT SHORTED TO THE 5-VOLT SUPPLY APP 1 CIRCUIT |
| APP SENSOR SIGNAL 2 CIRCUIT SHORTED TO THE 5-VOLT SUPPLY APP 2 CIRCUIT |
| APP SENSOR SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE |
| APP SENSOR 2 GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| ACCELERATOR PEDAL POSITION SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, battery voltage greater than 10.4 volts, and no other Throttle Position Sensor DTCs present (P0121, P0122, P0123, P0221, P0222, P0223).
The Powertrain Control Module (PCM) detects that the Throttle Position Sensor voltages are not plausible for 0.13 seconds. One trip fault and the code will set within five seconds. ETC light is illuminated.
| POSSIBLE CAUSES |
|---|
| 5-VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE |
| THROTTLE POSITION SENSOR SIGNAL 1 CIRCUIT OPEN OR HIGH RESISTANCE |
| THROTTLE POSITION SENSOR SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE |
| THROTTLE POSITION SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| THROTTLE BODY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, battery voltage greater than 10.4 volts, and no Accelerator Pedal Position (APP) Sensor 1 and Accelerator Pedal Position (APP) Sensor 2 DTCs present.
The Powertrain Control Module (PCM) detects that the correlation between APP Sensor 1 and APP Sensor 2 is not plausible. Idle may be affected when the brake pedal is pressed or if a brake switch circuit error is present. Acceleration rate and engine output are limited. One trip fault and the code will set within five seconds. ETC light is flashing.
| POSSIBLE CAUSES |
|---|
| 5-VOLT SUPPLY APP SENSOR 1 CIRCUIT OPEN OR HIGH RESISTANCE |
| APP SENSOR SIGNAL 1 CIRCUIT OPEN OR HIGH RESISTANCE |
| APP SENSOR 1 GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| 5-VOLT SUPPLY APP SENSOR 2 CIRCUIT OPEN OR HIGH RESISTANCE |
| APP SENSOR SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE |
| APP SENSOR 2 GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| ACCELERATOR PEDAL POSITION SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the igniting on. During in-plant testing, the APP Sensor is checked to make sure the minimum and maximum values can be reached.
APPS 1 has failed to achieve the required maximum value during In-Plant testing. One trip fault and the code will set within five seconds. Engine will only idle.
| POSSIBLE CAUSES |
|---|
| ETC RELEARN |
| ACCELERATOR PEDAL POSITION SENSOR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the igniting on. During in-plant testing, the APP Sensors need to be checked to make sure the minimum and maximum values can be reached.
APPS 2 has failed to achieve the required maximum value during In-Plant testing. One trip fault and the code will be stored within five seconds. Engine will only idle.
| POSSIBLE CAUSES |
|---|
| ETC RELEARN |
| ACCELERATOR PEDAL POSITION SENSOR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Ignition on and engine running with no active DTCs for MAP Sensor, Throttle Position Sensors, Cam or Crank Position Sensors, or a 5-Volt Reference circuit.
The Powertrain Control Module (PCM) detects that a large vacuum leak has been detected and calculated MAP is less than actual MAP minus an offset value for more than 0.28 seconds. One trip fault.
| POSSIBLE CAUSES |
|---|
| ENGINE OIL LEVEL LOW |
| ENGINE OIL OR FILTER INCORRECT |
| ENGINE OIL CONTAMINATED |
| VACUUM LEAK |
| MAP SENSOR CIRCUIT(S) OPEN, SHORTED, OR HIGH RESISTANCE |
| THROTTLE POSITION SENSOR CIRCUIT(S) OPEN, SHORTED, OR HIGH RESISTANCE |
| MAP SENSOR |
| THROTTLE POSITION SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Ignition on and engine running with no active DTCs for MAP Sensor, Throttle Position Sensors, Cam or Crank Position Sensors, or a 5-Volt Reference circuit.
A large vacuum leak has been detected and calculated MAP is less than the Gas Flow Adaptation value for more than 0.28 seconds. One trip fault.
| POSSIBLE CAUSES |
|---|
| VACUUM LEAK |
| MAP SENSOR CIRCUIT(S) OPEN, SHORTED, OR HIGH RESISTANCE |
| MAP SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Ignition on and engine running with no active DTCs for MAP Sensor, Throttle Position Sensors, Cam or Crank Position Sensors, or a 5-Volt Reference circuit.
The Powertrain Control Module (PCM) detects that a large vacuum leak has been detected and calculated MAP is greater than actual MAP minus an offset value for more than 0.28 seconds. One trip fault.
| POSSIBLE CAUSES |
|---|
| AIR INTAKE SYSTEM OBSTRUCTION |
| VACUUM LEAK |
| MAP SENSOR CIRCUIT(S) OPEN, SHORTED, OR HIGH RESISTANCE |
| THROTTLE POSITION SENSOR CIRCUIT(S) OPEN, SHORTED, OR HIGH RESISTANCE |
| MAP SENSOR |
| THROTTLE POSITION SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Ignition on, engine running, and no Engine Coolant Temperature (ECT) Sensor DTCs present.
The coolant temperature should change at a specific rate. If this rate is too slow or too fast this fault will set. One trip fault. Three good trips to clear MIL.
| POSSIBLE CAUSES |
|---|
| LOW COOLANT LEVEL |
| THERMOSTAT |
| COOLING SYSTEM RESTRICTION OR POOR FLOW |
| HIGH RESISTANCE IN THE ECT 1 SENSOR SIGNAL CIRCUIT |
| HIGH RESISTANCE IN THE SENSOR GROUND CIRCUIT |
| ENGINE COOLANT TEMPERATURE SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
P219A-BANK 1 AIR-FUEL RATIO IMBALANCE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Scheme 268
Engine Coolant Temperature (ECT) is greater than 70°C (158°F), Engine run time of 90 seconds, engine RPM 1000 - 2700, engine load 30 - 90% and in flex fuel vehicles the Fuel Adaptive Learned must be completed.
DTC P113D is not set and the high frequency content of the O2 sensor exceeds a calibrated amount. Two Trip Fault. Three good trips to turn off the MIL.
| Possible Causes |
|---|
| O2 SENSOR HEATER OPERATION |
| EVAP PURGE SOLENOID OPERATION |
| O2 SIGNAL CIRCUIT |
| O2 RETURN CIRCUIT |
| O2 SENSOR |
| MAP SENSOR |
| ECT SENSOR |
| ENGINE MECHANICAL |
| FUEL FILTER/PRESSURE REGULATOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Key on and no battery related DTC present.
The Powertrain Control Module (PCM) detects that the Barometric pressure value differs from the other pressure sensors by a calibrated amount.
| Possible Causes |
|---|
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Any time the PCM is powered up.
The PCM detects the baro pressure signal is too low.
| Possible Causes |
|---|
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Key on and no battery related DTC present.
The circuit voltage to the Powertrain Control Module (PCM) is too high.
| Possible Causes |
|---|
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, the O2 Sensor 1/1 at operating temperature and the pump cell active.
The Powertrain Control Module (PCM) detects an open on the O2 Sensor Current Pump circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR CURRENT PUMP CIRCUIT OPEN OR HIGH RESISTANCE |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, the O2 Sensor 1/1 at operating temperature and the pump cell active.
The Powertrain Control Module (PCM) detects a short to ground on the O2 Sensor Current Pump circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR CURRENT PUMP CIRCUIT SHORT TO GROUND |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
The Powertrain Control Module (PCM) detects a short to battery voltage on the O2 Sensor Current Pump circuit or the O2 Current Adjust circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR CURRENT PUMP CIRCUIT SHORT TO BATTERY VOLTAGE |
| O2 SENSOR CURRENT ADJUST CIRCUIT SHORT TO BATTERY VOLTAGE |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, the O2 Sensor 1/1 at operating temperature and the pump cell active.
The Powertrain Control Module (PCM) detects an open on the O2 Sensor 1/1 Return circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR 1/1 RETURN CIRCUIT OPEN OR HIGH RESISTANCE |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, the O2 Sensor 1/1 at operating temperature and the pump cell active.
The Powertrain Control Module (PCM) detects an open on the O2 Sensor 1/1 Return circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR 1/1 RETURN CIRCUIT OPEN OR HIGH RESISTANCE |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, the O2 Sensor 1/1 at operating temperature and the pump cell active.
The Powertrain Control Module (PCM) detects a short to ground on the O2 Sensor 1/1 Return circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR 1/1 RETURN CIRCUIT SHORT TO GROUND |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
The Powertrain Control Module (PCM) detects a short to battery voltage on the O2 Sensor 1/1 Return circuit or the O2 1/1 Signal circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR 1/1 RETURN CIRCUIT SHORT TO BATTERY VOLTAGE |
| O2 SENSOR 1/1 SIGNAL CIRCUIT SHORT TO BATTERY VOLTAGE |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, the O2 Sensor 1/1 at operating temperature and the pump cell active.
The Powertrain Control Module (PCM) detects an open on the O2 Sensor 1/1 Signal circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR 1/1 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, the O2 Sensor 1/1 at operating temperature and the pump cell active.
The Powertrain Control Module (PCM) detects a short to ground on the O2 Sensor 1/1 Signal circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR 1/1 SIGNAL CIRCUIT SHORT TO GROUND |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
The Powertrain Control Module (PCM) detects a short to battery voltage on the O2 Sensor 1/1 Return circuit or the O2 1/1 Signal circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR 1/1 RETURN CIRCUIT SHORT TO BATTERY VOLTAGE |
| O2 SENSOR 1/1 SIGNAL CIRCUIT SHORT TO BATTERY VOLTAGE |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the engine running for more than 90 seconds, in closed loop fuel control, the odometer greater than the minimum mileage allowable for catalyst break-in (499.7 miles), and no global or monitor conflicts or disabling conditions present. The diagnostic monitor will only run during a decel fuel shutoff event, and will only run once during each ignition cycle.
If during the decel fuel shutoff event, the Powertrain Control Module (PCM) detects that the sensor does not transition from rich to lean, the fault will set. An active fault is matured on a second trip failure. Three good trips will turn off the MIL.
| POSSIBLE CAUSES |
|---|
| EXHAUST LEAK |
| OXYGEN SENSOR WIRING OR CONNECTORS |
| O2 SENSOR SIGNAL CIRCUIT |
| O2 SENSOR RETURN CIRCUIT |
| 1/2 OXYGEN SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
No global or monitor conflicts or disabling conditions present. During a decel condition, fuel shut off event after the following conditions have been met
Upstream O2 Sensor in closed loop
Engine run time greater than one minute
Engine coolant temperature above 65°C (149°F)
Engine speed above 2016 RPM
Vehicle speed above 88.5 kph (55 mph)
Catalyst temperature between 600°C and 800°C (1112°F and 1472°F)
The Powertrain Control Module (PCM) detects that the downstream O2 Sensor does not transition from rich to lean. Two trip fault. Three good trips will turn off the MIL.
| Possible Causes |
|---|
| EXHAUST LEAK |
| FUEL SYSTEM RELATED ISSUES |
| O2 SENSOR 1/2 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on and no Brake Switch or Accelerator Pedal Position (APP) Sensor DTCs present.
The Powertrain Control Module (PCM) detects that the Brake Switch and the Accelerator Pedal are both pressed for a calculated amount of time. One trip fault and the code will be set within five seconds. ETC light will illuminate, the light will only stay illuminated while DTC is active.
| Possible Causes |
|---|
| CUSTOMER PRESSING ACCELERATOR PEDAL, THEN PRESSING BRAKE PEDAL, AND CONTINUES HOLDING THEM DOWN SIMULTANEOUSLY |
| BRAKE SWITCH |
| ACCELERATOR PEDAL POSITION SENSOR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the engine running and battery voltage greater than 10.4 volts.
The Powertrain Control Module (PCM) detects that the secondary ignition burn time is incorrect or not present. One Trip Fault.
| Possible Causes |
|---|
| FUSED ASD RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE |
| COIL 1 CONTROL CIRCUIT SHORTED TO GROUND |
| COIL 1 CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| IGNITION COIL 1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the engine running and battery voltage greater than 10.4 volts.
The Powertrain Control Module (PCM) detects that the secondary ignition burn time is incorrect or not present. One Trip Fault.
| Possible Causes |
|---|
| FUSED ASD RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE |
| COIL 2 CONTROL CIRCUIT SHORTED TO GROUND |
| COIL 2 CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| IGNITION COIL 2 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the engine running and battery voltage greater than 10.4 volts.
The Powertrain Control Module (PCM) detects that the secondary ignition burn time is incorrect or not present. One Trip Fault.
| Possible Causes |
|---|
| FUSED ASD RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE |
| COIL 3 CONTROL CIRCUIT SHORTED TO GROUND |
| COIL 3 CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| IGNITION COIL 3 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the engine running and battery voltage greater than 10.4 volts.
The Powertrain Control Module (PCM) detects that the secondary ignition burn time is incorrect or not present. One Trip Fault.
| Possible Causes |
|---|
| FUSED ASD RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE |
| COIL 4 CONTROL CIRCUIT SHORTED TO GROUND |
| COIL 4 CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| IGNITION COIL 4 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the engine speed greater than 1157 RPM.
The Powertrain Control Module (PCM) detects that battery voltage is 1.0 volt below charging goal voltage. The PCM compares sensed battery voltage with the field driver on and off. If the voltages are the same, this code will set. One Trip Fault. Three good trips to turn off the MIL.
| POSSIBLE CAUSES |
|---|
| BATTERY (+) CIRCUIT HIGH RESISTANCE |
| BATTERY (-) CIRCUIT HIGH RESISTANCE |
| GENERATOR CASE GROUND HIGH RESISTANCE |
| FUSED B+ CIRCUIT HIGH RESISTANCE |
| GROUND CIRCUIT(S) HIGH RESISTANCE |
| BATTERY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the engine speed greater than 1157 RPM.
The Powertrain Control Module (PCM) compares sensed battery voltage with the Generator Sense circuit voltage. If the Generator Sense circuit voltage is greater than sensed battery voltage, this DTC will set. One Trip Fault. Three good trips to turn off the MIL.
| POSSIBLE CAUSES |
|---|
| BATTERY (+) CIRCUIT HIGH RESISTANCE |
| BATTERY (-) CIRCUIT HIGH RESISTANCE |
| GENERATOR CASE GROUND HIGH RESISTANCE |
| FUSED B+ CIRCUIT HIGH RESISTANCE |
| GROUND CIRCUIT(S) HIGH RESISTANCE |
| BATTERY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously.
The Powertrain Control Module (PCM) has detected an interruption in the supplied battery voltage while the module is powered down. Two Trip Fault. Three good trips to turn off the MIL.
| Possible Causes |
|---|
| AMBIENT AIR TEMPERATURE SENSOR |
| COOLANT TEMPERATURE SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) SOFTWARE UPDATE |
| EXCESSIVE RESISTANCE IN THE PCM POWER OR GROUND CIRCUITS |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, the O2 Sensor 1/1 at operating temperature and the pump cell active.
The Powertrain Control Module (PCM) detects an open on the O2 Sensor Current Adjust circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR CURRENT ADJUST CIRCUIT OPEN OR HIGH RESISTANCE |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, the O2 Sensor 1/1 at operating temperature and the pump cell active.
The Powertrain Control Module (PCM) detects a short to ground on the O2 Sensor Current Adjust circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR CURRENT ADJUST CIRCUIT SHORT TO GROUND |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
The Powertrain Control Module (PCM) detects a short to battery voltage on the O2 Sensor Current Pump circuit or the O2 Current Adjust circuit. Two Trip Fault.
| Possible Causes |
|---|
| O2 SENSOR CURRENT PUMP CIRCUIT SHORT TO BATTERY VOLTAGE |
| O2 SENSOR CURRENT ADJUST CIRCUIT SHORT TO BATTERY VOLTAGE |
| O2 SENSOR 1/1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Ignition run time is greater than one second. Battery voltage between 9 and 16 volts. Engine run time greater than three seconds.
The Powertrain Control Module (PCM) loses communication over the CAN C Bus circuit. The circuit is continuously monitored.
| POSSIBLE CAUSES |
|---|
| CAN C BUS OPEN OR SHORTED CONDITION |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Ignition run time is greater than one second. Battery voltage between 9.0 and 16.0 volts. Engine run time greater than three seconds.
The Powertrain Control Module (PCM) doesn't receive a Bus Message from the Transmission Control Module (TCM) for seven consecutive seconds. The circuit is continuously monitored.
| POSSIBLE CAUSES |
|---|
| CAN C BUS OPEN OR SHORTED CONDITION |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Ignition run time is greater than one second. Battery voltage between 9.0 and 16.0 volts. Engine run time greater than three seconds.
The Powertrain Control Module (PCM) doesn't receive an ABS message over the CAN C circuit for seven consecutive seconds. The circuit is continuously monitored.
| POSSIBLE CAUSES |
|---|
| CAN C BUS OPEN OR SHORTED CONDITION |
| ANTI-LOCK BRAKE (ABS) MODULE |
| BODY CONTROL MODULE (BCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously when the ignition is on.
The battery voltage between 10.0 and 16.0 Volts.
Bus messages not received from the Electric Power Steering Control Module.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| BODY CONTROL MODULE POWER AND GROUND |
| BCM NOT CONFIGURED CORRECTLY |
| BODY CONTROL MODULE (BCM) |
| MODULE THAT SET THIS DTC |
Ignition run time is greater than one second. Battery voltage between 9.0 and 16.0 volts.
The Powertrain Control Module (PCM) doesn't receive a Body Control Module (BCM) message over the CAN C bus for seven consecutive seconds. The circuit is continuously monitored.
| POSSIBLE CAUSES |
|---|
| CAN C BUS OPEN OR SHORTED CONDITION |
| BODY CONTROL MODULE (BCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Ignition run time is greater than one second. Battery voltage between 9.0 and 16.0 volts. Engine run time greater than three seconds.
The Powertrain Control Module (PCM) doesn't receive an Occupant Restraint Controller (ORC) message over the CAN C circuit for seven consecutive seconds. The circuit is continuously monitored.
| POSSIBLE CAUSES |
|---|
| CAN C BUS OPEN OR SHORTED CONDITION |
| OCCUPANT RESTRAINT CONTROLLER (ORC) |
| BODY CONTROL MODULE (BCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
Battery voltage between 10.0 and 17.0 Volts.
Body Control Module (BCM) is configured correctly.
This module has not received a Cluster Bus message over the CAN C circuit for approximately two to five seconds. The circuit is continuously monitored.
| Possible Causes |
|---|
| CAN B BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| CLUSTER (CCN) |
| BODY CONTROL MODULE (BCM) NOT CONFIGURED CORRECTLY |
| BODY CONTROL MODULE (BCM) |
| MODULE THAT SET THIS DTC |
Ignition run time is greater than one second. Battery voltage between 9.0 and 16.0 volts.
The Powertrain Control Module (PCM) doesn't receive a HVAC Control Module message over the CAN bus. The circuit is continuously monitored.
| Possible Causes |
|---|
| CAN IHS BUS (125K) CIRCUITS OPEN OR SHORTED CONDITION |
| HVAC CONTROL MODULE |
| MODULE THAT SET THE DTC |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
Battery voltage between 10.0 and 16.0 volts.
Body Control Module (BCM) is configured correctly.
The module has not received a Steering Column Control Module (SCCM) Bus message for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| STEERING COLUMN CONTROL MODULE (SCCM) |
| BODY CONTROL MODULE (BCM) NOT CONFIGURED CORRECTLY |
| BODY CONTROL MODULE (BCM) |
| MODULE THAT SET THIS DTC |
Ignition on and battery voltage greater than 10.0 volts.
The Powertrain Control Module (PCM) software is incorrect.
| POSSIBLE CAUSES |
|---|
| PCM PROGRAMMED WITH INCORRECT SOFTWARE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously while the system is active.
Implausible data has been received over the bus from the Transmission Control Module (TCM).
| POSSIBLE CAUSES |
|---|
| CAN BUS OPEN OR SHORTED CONDITION |
| TRANSMISSION CONTROL MODULE (TCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously while the system is active.
Implausible data has been received over the bus from the Electronic Stability Program (ESP) in the ABS Module.
| POSSIBLE CAUSES |
|---|
| CAN BUS OPEN OR SHORTED CONDITION |
| ELECTRONIC STABILITY PROGRAM (ESP)/ANTI-LOCK BRAKE MODULE (ABS) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously while the system is active.
Implausible data has been received over the bus from the Body Control Module (BCM).
| Possible Causes |
|---|
| BODY CONTROL MODULE (BCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously while the system is active.
An error message has been received over the CAN C bus from the Steering Angle Sensor (SAS).
| Possible Causes |
|---|
| CAN BUS OPEN OR SHORTED CONDITION |
| STEERING ANGLE SENSOR (SAS)/STEERING COLUMN CONTROL MODULE (SCCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
U110A-LOST COMMUNICATION WITH SCM - CAN-C
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
Battery voltage between 10.0 and 16.0 volts.
Body Control Module (BCM) is configured correctly.
The module has not received a Steering Control Module (SCM) Bus message for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| STEERING COLUMN MODULE (SCM) |
| BODY CONTROL MODULE (BCM) NOT CONFIGURED CORRECTLY |
| BODY CONTROL MODULE (BCM) |
| MODULE THAT SET THIS DTC |
U110C-LOST FUEL LEVEL MESSAGE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on, battery voltage above 10.38 volts.
The Powertrain Control Module (PCM) does not receive a fuel level signal over the CAN C BUS circuit for a duration of 4.8 seconds. The circuit is constantly monitored.
| POSSIBLE CAUSES |
|---|
| CAN C BUS CIRCUIT OPEN OR SHORTED |
| BODY CONTROL MODULE (BCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
U110E-LOST AMBIENT TEMPERATURE MESSAGE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on, battery voltage above 10.38 volts.
The Powertrain Control Module (PCM) does not receive the ambient temperature signal over the CAN C BUS from the Body Control Module (BCM), or the signal is implausible for a duration of 4.8 seconds. The circuit is continuously monitored.
| POSSIBLE CAUSES |
|---|
| CAN C BUS CIRCUIT OPEN OR SHORTED |
| BODY CONTROL MODULE (BCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, and battery voltage above 10.38 volts.
The PCM does not receive a vehicle speed signal from the Anti-Lock Brake Module over the CAN C bus for a duration of 4.8 seconds.
| POSSIBLE CAUSES |
|---|
| CAN C BUS CIRCUIT OPEN OR SHORTED |
| ANTI-LOCK BRAKE (ABS) MODULE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
U11B9-LOST COMMUNICATION WITH RF HUB
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
Battery voltage between 10 and 16 volts.
Body Control Module (BCM) is configured correctly.
This module has not received a RF Hub CAN Bus message for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| RF HUB |
| BCM NOT CONFIGURED CORRECTLY |
| BODY CONTROL MODULE (BCM) |
| MODULE THAT SET THE DTC |
With the ignition on for more than 2.0 seconds, battery voltage between 6.98 volts and 15.75 volts.
The Powertrain Control module (PCM) does not receive a message for the wheel distance traveled from the Anti-Lock Brake Module over the CAN C bus for a duration of 0.4 seconds.
| POSSIBLE CAUSES |
|---|
| CAN C BUS CIRCUIT OPEN OR SHORTED |
| ANTI-LOCK BRAKE (ABS) MODULE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously while the system is active.
The Powertrain Control Module (PCM) has not received a torque request over the bus circuit from the Electronic Stability Program (ESP)/ABS Module.
| Possible Causes |
|---|
| CAN BUS OPEN OR SHORTED CONDITION |
| ELECTRONIC STABILITY PROGRAM (ESP)/ANTI-LOCK BRAKE MODULE (ABS) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
U11BC-LOST BRAKE SWITCH MESSAGE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Ignition on.
The Powertrain Control Module (PCM) doesn't receive a brake switch signal from the Anti-lock brake Module over the CAN C bus. One Trip fault.
| Possible Causes |
|---|
| BRAKE PEDAL POSITION (BPP) SENSOR |
| CAN C BUS CIRCUIT OPEN OR SHORTED |
| ANTI-LOCK BRAKE MODULE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
U11C2-IMPLAUSIBLE/MISSING TRANSMISSION MESSAGE
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
- With the ignition on.
- Battery voltage between 10 and 16 volts.
- Body Control Module (BCM) is configured correctly.
The Powertrain Control Module (PCM) has not received a Bus message from the Transmission Control Module (TCM) for approximately 500ms.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| TRANSMISSION CONTROL MODULE (TCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
U11E9-LOST COMMUNICATION WITH AGS
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
Scheme 269
With the engine running and battery voltage between 11.0 and 16.0 volts. Ambient Air Temperature or Engine Coolant Temperature above -7°C (19.4°F).
The Powertrain Control Module (PCM) does not receive a valid LIN BUS message from the Active Grill Shutter Assembly for 2.6 seconds.
| Possible Causes |
|---|
| LIN BUS CIRCUIT SHORTED TO GROUND |
| LIN BUS CIRCUIT OPEN/HIGH RESISTANCE |
| FUSED B+ CIRCUIT OPEN |
| FUSED B+ CIRCUIT SHORTED TO GROUND |
| ACTIVE GRILL SHUTTER GROUND CIRCUIT OPEN |
| ACTIVE GRILL SHUTTER ASSEMBLY |
| POWERTRAIN CONTROL MODULE |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on, battery voltage above 10.38 volts.
The fuel level message that the Powertrain Control Module (PCM) is receiving from the Body Control Module (BCM) is implausible for a duration of 4.8 seconds. The circuit is continuously monitored.
| POSSIBLE CAUSES |
|---|
| CAN C BUS CIRCUIT OPEN OR SHORTED |
| BODY CONTROL MODULE (BCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
With the ignition on.
The Powertrain Control Module (PCM) gets an implausible signal over the CAN C circuit from the ABS Module. The circuit is continuously monitored.
| POSSIBLE CAUSES |
|---|
| CAN C BUS CIRCUIT SHORTED |
| CAN C BUS CIRCUIT OPEN |
| ANTI-LOCK BRAKE (ABS) MODULE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Ignition on.
The Powertrain Control Module (PCM) gets an implausible signal over the CAN C circuit from the ABS Module. The circuit is continuously monitored.
| POSSIBLE CAUSES |
|---|
| VEHICLE SPEED SENSOR DTC ACTIVE IN ANTI-LOCK BRAKE MODULE |
| CAN C BUS CIRCUIT SHORTED |
| CAN C BUS CIRCUIT OPEN |
| ANTI-LOCK BRAKE (ABS) MODULE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Ignition on.
The Powertrain Control Module (PCM) gets an implausible signal over the CAN C circuit from the Anti-Lock Brake (ABS) Module. The circuit is continuously monitored.
| POSSIBLE CAUSES |
|---|
| VEHICLE SPEED SENSOR DTC ACTIVE IN ANTI-LOCK BRAKE MODULE |
| CAN C BUS CIRCUIT SHORTED |
| CAN C BUS CIRCUIT OPEN |
| ANTI-LOCK BRAKE (ABS) MODULE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
Continuously while the system is active.
An error length message has been received over the CAN C bus from the Steering Angle Sensor (SAS). One trip fault.
| Possible Causes |
|---|
| CAN BUS OPEN OR SHORTED CONDITION |
| STEERING ANGLE SENSOR (SAS)/STEERING CONTROL MODULE (SCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .