Description
DTC P0107 is monitored when engine speed is more than 416 RPM but less than 1500 RPM, Throttle Position (TP) sensor voltage is less than 1.13 volts and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses Manifold Absolute Pressure (MAP) sensor voltage is less than 0.1 volt for 2 seconds with engine running.
Manifold Absolute Pressure (MAP) sensor voltage is monitored when engine speed is more than 400 RPM, Throttle Position (TP) sensor voltage is less than 1.13 volts and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses MAP sensor voltage is more than 4.88 volts for 2.2 seconds with engine running. Possible causes for DTC to set are: defective MAP sensor, defective PCM, or defective connectors or wiring.
Intake Air Temperature (IAT) sensor voltage is monitored with ignition on and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses IAT sensor voltage is less than 0.8 volt. Possible causes for DTC to set are: defective IAT sensor, defective PCM, or defective connectors or wiring.
Intake Air Temperature (IAT) sensor voltage is monitored with ignition on and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses IAT sensor voltage is more than 4.9 volts. Possible causes for DTC to set are: or defective connectors or wiring.
Engine Coolant Temperature (ECT) sensor voltage is monitored with ignition on and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses ECT sensor voltage is less than 0.8 volt for more than 3 seconds. Possible causes for DTC to set are: defective ECT sensor, defective PCM, or defective connectors or wiring.
Engine Coolant Temperature (ECT) sensor voltage is monitored with ignition on and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses ECT sensor voltage is more than 4.98 volts for more than 3 seconds. Possible causes for DTC to set are: defective ECT sensor, defective PCM, or defective connectors or wiring.
Throttle Position (TP) sensor voltage is monitored with engine running and no Manifold Absolute Pressure (MAP) or TP sensor DTCs present. Engine speed must be more than 1600 RPM for all TP sensor testing. Possible causes for DTC to set are: defective TP sensor, defective MAP sensor, defective Powertrain Control Module (PCM), or defective connectors or wiring.
Throttle Position (TP) sensor voltage is monitored with ignition on and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses Throttle Position (TP) sensor voltage is 0.1 volt for 3.2 seconds. Possible causes for DTC to set are: defective TP sensor, defective PCM, or defective connectors or wiring.
Throttle Position (TP) sensor voltage is monitored with ignition on and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses Throttle Position (TP) sensor voltage is 4.9 volts for 3.2 seconds. Possible causes for DTC to set are: defective TP sensor, defective PCM, or defective connectors or wiring.
Closed loop operation is monitored for 10 minutes after engine is started. DTC will set in Powertrain Control Module (PCM) memory when PCM senses that engine coolant temperature does not go to more than 18°F (-7.8°C) within 10 minutes after engine is started. Two trips are required to set this DTC. Possible causes for DTC to set are: defective Engine Coolant Temperature (ECT) sensor, defective thermostat, defective PCM, or defective connectors or wiring.
1/1 Heated Oxygen Sensor (HO2S) heater circuit is monitored after ignition is turned on and voltage is more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses PCM control circuit between PCM and relay coil does not match desired state. Possible causes for DTC to set are: blown fuse, defective HO2S upstream heater relay, or defective connectors or wiring.
1/1 Heated Oxygen Sensor (HO2S) voltage is monitored after ignition is turned off and 1/1 HO2S cools down, and after the next time ignition is turned on, provided engine coolant temperature is less than 98°F (37°C) and ambient/battery temperature is within plus or minus 27°F (-3°C) of engine coolant temperature. DTC will set in Powertrain Control Module (PCM) memory when PCM senses 1/1 HO2S voltage is less than 0.16 volt for 28 seconds after engine is started. Possible causes for DTC to set are: defective 1/1 HO2S, or defective connectors or wiring.
1/1 Heated Oxygen Sensor (HO2S) voltage is monitored with engine running for more than 4 minutes and engine coolant temperature reaches 180°F (82°C). DTC will set in Powertrain Control Module (PCM) memory when PCM senses 1/1 HO2S voltage is more than 1.2 volts. Possible causes for DTC to set are: defective 1/1 HO2S, defective PCM, or defective connectors or wiring.
1/1 Heated Oxygen Sensor (HO2S) voltage is monitored with engine coolant temperature more than 147°F (64°C), after reaching a vehicle speed of 10 MPH, and throttle remains open (off idle) for 2 minutes and subsequently bringing vehicle to a stop and allowing engine to idle in Drive (A/T) or Neutral (M/T). DTC will set in Powertrain Control Module (PCM) memory when PCM senses 1/1 HO2S voltage is switching from less than 0.39 volt to more than 0.58 volt and back less times than required. Possible causes for DTC to set are: exhaust leak, defective 1/1 HO2S, or defective connectors or wiring.
1/1 Heated Oxygen Sensor (HO2S) heater voltage is monitored with engine at idle immediately after a cold start, with engine coolant temperature less than 147°F (64°C) and ambient/battery temperature is within plus or minus 27°F (-3°C) of engine coolant temperature. DTC will set in Powertrain Control Module (PCM) memory when PCM senses 1/1 HO2S voltage is more than 3 volts for 30-90 seconds. Possible causes for DTC to set are: defective 1/1 HO2S, defective PCM, or defective connectors or wiring.
1/2 Heated Oxygen Sensor (HO2S) heater voltage is monitored after ignition is turned on and voltage is more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) when PCM senses relay control circuit between PCM and relay coil does not match desired state. Possible causes for DTC to set are: blown fuse, defective HO2S downstream heater relay, defective PCM, or defective connectors or wiring.
1/2 Heated Oxygen Sensor (HO2S) voltage is monitored after ignition is turned off and 1/2 HO2S cools down, and after the next time ignition is turned on, provided engine coolant temperature is less than 98°F (37°C) and ambient/battery temperature is within plus or minus 27°F (-3°C) of engine coolant temperature. DTC will set in Powertrain Control Module (PCM) memory when PCM senses 1/2 HO2S voltage is less than 0.16 volt for 28 seconds after engine is started. Possible causes for DTC to set are: defective 1/2 HO2S, or defective connectors or wiring.
1/2 Heated Oxygen Sensor (HO2S) voltage is monitored with engine running for more than 4 minutes and engine coolant temperature at more than 180°F (82°C). DTC will set in Powertrain Control Module (PCM) memory when PCM senses 1/2 HO2S voltage is more than 1.2 volts. Possible causes for DTC to set are: defective 1/2 HO2S, defective PCM, or defective connectors or wiring.
1/2 Heated Oxygen Sensor (HO2S) voltage is monitored with engine running at idle. DTC will be set in Powertrain Control Module (PCM) memory when PCM senses that 1/2 HO2S voltage is switching from less than 0.39 volt to more than 0.58 volt and back less times than required. Possible causes for DTC to set are: exhaust leak, defective 1/2 HO2S, or defective connectors or wiring.
1/2 Heated Oxygen Sensor (HO2S) heater voltage is monitored with engine at idle immediately after a cold start, with engine coolant temperature less than 147°F (64°C) and ambient/battery temperature within plus or minus 27°F (-3°C) of engine coolant temperature. DTC will set in Powertrain Control Module (PCM) memory when PCM senses 1/2 HO2S voltage is more than 3 volts for 30-90 seconds. Possible causes for DTC to set are: defective 1/2 HO2S, defective PCM, or defective connectors or wiring.
2/1 Heated Oxygen Sensor (HO2S) voltage is monitored after engine coolant temperature reaches 170°F (77°C), ignition is turned off, 2/1 HO2S cools down, and after the next time ignition is turned on, engine coolant temperature is less than 98°F (37°C) and ambient/battery temperature is within 27°F (-3°C) plus or minus of engine coolant temperature. DTC will set in Powertrain Control Module (PCM) memory when PCM senses 2/1 HO2S voltage is less than 0.16 volt for 28 seconds after engine is started. Possible causes for DTC to set are: defective 2/1 HO2S, or defective connectors or wiring.
2/1 Heated Oxygen Sensor (HO2S) voltage is monitored with engine running for more than 4 minutes and engine coolant temperature at more than 180°F (82°C). DTC will set in Powertrain Control Module (PCM) memory when PCM senses 2/1 HO2S voltage is more than 1.2 volts. Possible causes for DTC to set are: defective 2/1 HO2S, defective PCM, or defective connectors or wiring.
2/1 Heated Oxygen Sensor (HO2S) voltage is monitored with engine coolant temperature more than 147°F (64°C), after reaching a vehicle speed of 10 MPH, and throttle remains open (off idle) for 2 minutes and subsequently bringing vehicle to a stop and allowing engine to idle in Drive (A/T) or Neutral (M/T). DTC will set in Powertrain Control Module (PCM) memory when PCM senses 2/1 HO2S voltage is switching from less than 0.39 volt to more than 0.65 volt and back less times than required. Possible causes for DTC to set are: exhaust leak, defective 2/1 HO2S, or defective connectors or wiring.
2/1 Heated Oxygen Sensor (HO2S) heater voltage is monitored with engine at idle for at least 12 seconds after a cold start, battery voltage is more than 9 volts, engine coolant temperature is less than 147°F (64°C) and ambient/battery temperature is within 27°F (-3°C) plus or minus of engine coolant temperature. DTC will set in Powertrain Control Module (PCM) memory when PCM senses 2/1 HO2S voltage is more than 3 volts for 30-90 seconds. Possible causes for DTC to set are: defective 2/1 HO2S, defective PCM, or defective connectors or wiring.
2/2 Heated Oxygen Sensor (HO2S) voltage is monitored after engine coolant temperature reaches 170°F (77°C), ignition is turned off, 2/2 HO2S cools down, and after the next time ignition is turned on, engine coolant temperature is less than 98°F (37°C) and ambient/battery temperature is within 27°F (-3°C) plus or minus of engine coolant temperature. DTC will set in Powertrain Control Module (PCM) memory when PCM senses 2/2 HO2S voltage is less than 0.16 volt for 28 seconds after engine is started. Possible causes for DTC to set are: defective 2/2 HO2S, or defective connectors or wiring.
2/2 Heated Oxygen Sensor (HO2S) voltage is monitored with engine running for more than 4 minutes and engine coolant temperature at more than 180°F (82°C). DTC will set in Powertrain Control Module (PCM) memory when PCM senses 2/2 HO2S voltage is more than 1.2 volts. Possible causes for DTC to set are: defective 2/2 HO2S, defective PCM, or defective connectors or wiring.
2/2 Heated Oxygen Sensor (HO2S) voltage is monitored with engine running at idle. DTC will set in Powertrain Control Module (PCM) memory when PCM senses 2/2 HO2S voltage is switching from less than 0.39 volt to more than 0.65 volt and back less times than required. Possible causes for DTC to set are: exhaust leak, defective 2/2 HO2S, or defective connectors or wiring.
2/2 Heated Oxygen Sensor (HO2S) heater voltage is monitored with engine at idle for at least 12 seconds after a cold start, battery voltage is more than 9 volts, engine coolant temperature is less than 147°F (64°C) and ambient/battery temperature is within 27°F (-3°C) plus or minus of engine coolant temperature. DTC will set in Powertrain Control Module (PCM) memory when PCM senses 2/2 HO2S voltage is more than 3 volts for 30-90 seconds. Possible causes for DTC to set are: defective 2/2 HO2S, defective PCM, or defective connectors or wiring.
Fuel system lean condition is monitored with engine running in closed loop mode, ambient/battery temperature at more than 20°F (-7°C), and at altitude less than 8000 feet. DTC will set in Powertrain Control Module (PCM) memory when PCM senses fuel system is running too lean on 2 sequential trips. Possible causes for DTC to set are: defective Engine Coolant Temperature (ECT) sensor calibration, defected Throttle Position (TP) sensor, defected Manifold Absolute Pressure (MAP) sensor, defective 1/1 Heated Oxygen Sensor (HO2S), fuel pressure out of specification, defective PCM, engine mechanical problem defective wiring.
Fuel system rich condition is monitored with engine running in closed loop mode, ambient/battery temperature at more than 20°F (-7°C), and at altitude less than 8000 feet. DTC will set in Powertrain Control Module (PCM) memory when PCM senses fuel system is running too rich on 2 sequential trips. Possible causes for DTC to set are: defective Engine Coolant Temperature (ECT) sensor, engine mechanical problem, fuel pressure out of specification, defective 1/1 Heated Oxygen Sensor (HO2S), defective Throttle Position (TP) sensor, defective Manifold Absolute Pressure (MAP) sensor, defective PCM, or defective connectors or wiring.
Fuel system lean condition is monitored with engine running in closed loop mode, ambient/battery temperature at more than 20°F (-7°C), and at altitude less than 8000 feet. DTC will set in Powertrain Control Module (PCM) memory when PCM senses fuel system is running too lean on 2 sequential trips. Possible causes for DTC to set are: defective Engine Coolant Temperature (ECT) sensor calibration, defected Throttle Position (TP) sensor, defected Manifold Absolute Pressure (MAP) sensor, defective 2/1 Heated Oxygen Sensor (HO2S), fuel pressure out of specification, defective PCM, engine mechanical problem or defective wiring.
Fuel system rich condition is monitored with engine running in closed loop mode, ambient/battery temperature at more than 20°F (-7°C), and at altitude less than 8000 feet. DTC will set in Powertrain Control Module (PCM) memory when PCM senses fuel system is running too rich on 2 sequential trips. Possible causes for DTC to set are: defective Engine Coolant Temperature (ECT) sensor, engine mechanical problem, fuel pressure out of specification, defective 2/1 Heated Oxygen Sensor (HO2S), defective Throttle Position (TP) sensor, defective Manifold Absolute Pressure (MAP) sensor, defective PCM, or defective connectors or wiring.
Fuel injector operation is monitored with battery voltage is more than 10.4 volts, ASD relay energized, injector pulse width less than 10 milliseconds, and engine speed less than 3000 RPM. DTC will set in Powertrain Control Module (PCM) memory 0.64-10.00 seconds after PCM does not sense any inductive kick 18 milliseconds after injector is turned off, and no other injectors are turned on. Possible causes for DTC to set are: defective ASD relay, defective injector, defective PCM, or defective connectors or wiring.
Fuel injector operation is monitored with battery voltage is more than 10.4 volts, ASD relay energized, injector pulse width less than 10 milliseconds, and engine speed less than 3000 RPM. DTC will set in Powertrain Control Module (PCM) memory 0.64-10.00 seconds after PCM does not sense any inductive kick 18 milliseconds after injector is turned off, and no other injectors are turned on. Possible causes for DTC to set are: defective ASD relay, defective injector, defective PCM, or defective connectors or wiring.
Fuel injector operation is monitored with battery voltage is more than 10.4 volts, ASD relay energized, injector pulse width less than 10 milliseconds, and engine speed less than 3000 RPM. DTC will set in Powertrain Control Module (PCM) memory 0.64-10.00 seconds after PCM does not sense any inductive kick 18 milliseconds after injector is turned off, and no other injectors are turned on. Possible causes for DTC to set are: defective ASD relay, defective injector, defective PCM, or defective connectors or wiring.
Fuel injector operation is monitored with battery voltage is more than 10.4 volts, ASD relay energized, injector pulse width less than 10 milliseconds, and engine speed less than 3000 RPM. DTC will set in Powertrain Control Module (PCM) memory 0.64-10.00 seconds after PCM does not sense any inductive kick 18 milliseconds after injector is turned off, and no other injectors are turned on. Possible causes for DTC to set are: defective ASD relay, defective injector, defective PCM, or defective connectors or wiring.
Fuel injector operation is monitored with battery voltage is more than 10.4 volts, ASD relay energized, injector pulse width less than 10 milliseconds, and engine speed less than 3000 RPM. DTC will set in Powertrain Control Module (PCM) memory 0.64-10.00 seconds after PCM does not sense any inductive kick 18 milliseconds after injector is turned off, and no other injectors are turned on. Possible causes for DTC to set are: defective ASD relay, defective injector, defective PCM, or defective connectors or wiring.
Fuel injector operation is monitored with battery voltage is more than 10.4 volts, ASD relay energized, injector pulse width less than 10 milliseconds, and engine speed less than 3000 RPM. DTC will set in Powertrain Control Module (PCM) memory 0.64-10.00 seconds after PCM does not sense any inductive kick 18 milliseconds after injector is turned off, and no other injectors are turned on. Possible causes for DTC to set are: defective ASD relay, defective injector, defective PCM, or defective connectors or wiring.
Cylinder misfire is monitored any time engine is running and adaptive numerator has been successfully updated. DTC will set in Powertrain Control Module (PCM) memory when PCM senses more than 2 percent misfire rate is measured during 2 trips (one trip on models with Calif. emissions) or with a 10-30 percent misfire rate during one trip. Possible causes for DTC to set are: defective Camshaft Position (CMP) sensor, defective Crankshaft Position (CKP) sensor, improper valve timing, vacuum leak, defective ignition system, engine mechanical problem, fuel contamination, improper fuel pressure or capacity, or defective fuel pump.
Cylinder misfire is monitored any time engine is running and adaptive numerator has been successfully updated. DTC will set in Powertrain Control Module (PCM) memory when PCM senses more than 2 percent misfire rate is measured during 2 trips (one trip on models with Calif. emissions) or with a 10-30 percent misfire rate during one trip. For misfire DTC identification, see CYLINDER MISFIRE DTC IDENTIFICATION table. Possible causes for DTC to set are: defective Camshaft Position (CMP) sensor, defective Crankshaft Position (CKP) sensor, improper valve timing, vacuum leak, defective ignition system, engine mechanical problem, fuel contamination, improper fuel pressure or capacity, or defective fuel pump.
Crank reference signal is monitored during engine cranking. DTC will set in Powertrain Control Module (PCM) memory when PCM senses no Crankshaft Position (CKP) sensor signal during engine cranking, and at least 3 Camshaft Position (CMP) sensor signals have occurred. Possible causes for DTC to set are: defective flywheel/drive plate, defective PCM, defective CKP sensor, defective CMP sensor, or defective connectors or wiring.
Cam signal is monitored with engine cranking or running and battery voltage more than 10 volts. DTC will set in Powertrain Control Module (PCM) memory after 5 seconds and PCM senses Crankshaft Position (CKP) sensor signals but no signal from Camshaft Position (CMP) sensor. Possible causes for DTC to set are: defective CMP sensor, defective CKP sensor, defective PCM, or defective connectors or wiring.
Ignition coil primary circuit is monitored with battery voltage more than 8 volts during engine cranking or more than 12 volts with engine running at less than 2016 RPM, and no coils in dwell when checked. DTC will set in Powertrain Control Module (PCM) memory when PCM senses peak current is not achieved with battery based dwell plus 1.5 milliseconds of diagnostic offset. DTC P0351 takes less than 3 seconds to set with engine cranking, or up to 6 seconds with engine running. Possible causes for DTC to set are: defective ignition coil No. 1, defective PCM, or defective connectors or wiring.
Ignition coil primary circuit is monitored with battery voltage more than 8 volts during engine cranking or more than 12 volts with engine running at less than 2016 RPM, and no coils in dwell when checked. DTC will set in Powertrain Control Module (PCM) memory when PCM senses peak current is not achieved with battery based dwell plus 1.5 milliseconds of diagnostic offset. DTC P0352 takes less than 3 seconds to set with engine cranking, or up to 6 seconds with engine running. Possible causes for DTC to set are: defective ignition coil No. 2, defective PCM, or defective connectors or wiring.
Ignition coil primary circuit is monitored with battery voltage more than 8 volts during engine cranking or more than 12 volts with engine running at less than 2016 RPM, and no coils in dwell when checked. DTC will set in Powertrain Control Module (PCM) memory when PCM senses peak current is not achieved with battery based dwell plus 1.5 milliseconds of diagnostic offset. DTC P0353 takes less than 3 seconds to set with engine cranking, or up to 6 seconds with engine running. Possible causes are: defective ignition coil No. 3, defective PCM, or defective connectors or wiring.
Note. 1/1 Heated Oxygen Sensor (HO2S) may also be referred to as an upstream oxygen sensor. On models with Federal emissions, 1/1 HO2S is located in exhaust downpipe in front of catalytic converter. On models with Calif. emissions, 1/1 HO2S is located in front exhaust manifold. On all models, 1/2 HO2S may also be referred to as a downstream oxygen sensor. On models with Federal emissions, 1/2 HO2S is located behind catalytic converter. On models with Calif. emissions, 1/2 HO2S is 1ocated in front exhaust pipe below front mini-catalytic converter
Catalytic converter efficiency is monitored after engine warms up to 147°F (64°C), throttle has been open for 180 seconds at vehicle speed more than 20 MPH, with engine speed at 1200-1700 RPM and MAP vacuum 15-20 in. Hg. DTC will set in Powertrain Control Module (PCM) memory when PCM senses catalyst efficiency deteriorated to a predetermined value. Possible causes for DTC to set are: exhaust leak, engine mechanical problem, defective catalytic converter or upstream Heated Oxygen Sensor (HO2S) is older than downstream HO2S.
Note. 2/1 Heated Oxygen Sensor (HO2S) may also be referred to as an upstream oxygen sensor. 2/1 HO2S is located on rear exhaust manifold. 2/2 HO2S may also be referred to as a downstream oxygen sensor. 2/2 HO2S is located on rear exhaust pipe below front mini-catalytic converter.
Catalytic converter efficiency is monitored after engine warms up to 147°F (64°C), throttle has been open for 180 seconds at vehicle speed more than 20 MPH, with engine speed at 1200-1700 RPM and MAP vacuum 15-20 in. Hg. DTC will set in Powertrain Control Module (PCM) memory when PCM senses catalyst efficiency deteriorated to a predetermined value. Possible causes for DTC to set are: exhaust leak, engine mechanical problem, defective catalytic converter or upstream HO2S is older than downstream HO2S.
EVAP purge flow is monitored after engine warms up to more than 170°F (77°C) in closed loop mode, at idle for 2 minutes, Manifold Absolute Pressure (MAP) at less than 15.7 in. Hg, and altitude at less than 8000 feet. DTC will set in Powertrain Control Module (PCM) memory when PCM senses no airflow through Evaporative Emission (EVAP) system. Possible causes for DTC to set are: EVAP purge solenoid contaminated, defective EVAP purge solenoid, or damaged or plugged vacuum hoses.
Note. EVAP purge solenoid may also be referred to as EVAP canister purge solenoid or duty cycle EVAP purge solenoid.
EVAP leak monitor is monitored immediately after a cold start, with ambient temperature 40-90°F (4.4-32.2°C) and engine coolant temperature within 10°F of ambient temperature. DTC P0442 will set in Powertrain Control Module (PCM) memory when PCM senses a leak of .040-.080" (.01-.02 mm) in Evaporative Emission (EVAP) system. DTC P0455 will set when PCM senses a leak bigger than .080" (.02 mm) in EVAP system. DTC P0456 will set when PCM senses a leak of .020-.040" (.005-.010 mm) in EVAP system. Possible causes for DTC to set are: damaged EVAP hose, leaking EVAP system component, leaking Leak Detection Pump (LDP), loose gas cap, defective secondary seal in fuel filler neck, or defective connectors or wiring.
EVAP purge solenoid is monitored immediately after ignition is turned on with battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory if actual state of EVAP purge solenoid does not match the intended state when requested to operate by PCM. Possible causes for DTC to set are: defective EVAP purge solenoid, defective PCM, or defective connectors or wiring.
Fuel level is monitored with engine running and fuel level at less than 15 percent or more than 85 percent capacity. DTC will set in Powertrain Control Module (PCM) memory when PCM senses low fuel for more than 120 miles, or fuel level that does not change by at least 4 percent for more than 250 miles. Fuel level sending unit may also be referred to as fuel level sensor. Possible causes for DTC to set are: defective fuel level sensor or defective fuel tank.
Fuel level sending unit may also be referred to as fuel level sensor. Fuel level sensor is monitored with ignition on and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses fuel level sensor signal less than 0.4 volt for 4 seconds. Possible causes for DTC to set are: defective fuel level sensor, defective PCM, defective connector or defective wiring.
Fuel level sending unit may also be referred to as fuel level sensor. Fuel level sensor is monitored with ignition on and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses fuel level sensor signal is more than 9.9 volts for 2 seconds. Possible causes for DTC to set are: defective fuel level sensor, defective PCM, defective connector or defective wiring.
Vehicle Speed Sensor (VSS) voltage is monitored after engine warms up to 104°F (40°C), Manifold Absolute Pressure (MAP) vacuum 15-16 in. Hg and engine speed 1400-3000 RPM. DTC will set in Powertrain Control Module (PCM) memory when PCM senses output no VSS signal for more than 15 seconds for 2 consecutive trips. Possible causes for DTC to set are: defective VSS, defective VSS speedometer pinion gear, improperly seated or positioned VSS speedometer pinion gear adapter, inactive DTC, defective PCM, defective connector or defective wiring.
Idle Air Control (IAC) motor voltage is monitored immediately after ignition is turned on with battery voltage at more than 11.5 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses a short to ground or battery voltage on any of the 4 IAC driver circuits while IAC motor is active. Possible causes for DTC to set are: defective IAC motor, defective PCM, defective connector or defective wiring.
Oil pressure sensor voltage is monitored immediately after ignition is turned on with battery voltage at more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses voltage on oil pressure sensor signal circuit is less than 0.1 volt. Possible causes for DTC to set are: defective oil pressure sensor, defective PCM, defective connector or defective wiring.
Oil pressure sensor voltage is monitored with ignition on. DTC will set in Powertrain Control Module (PCM) memory when PCM senses voltage on oil pressure sensor signal circuit more than 4.8 volts. Possible causes for DTC to set are: defective oil pressure sensor, defective PCM, defective connector or defective wiring.
Communication between processors over internal BUS is monitored with ignition on. DTC will set in Powertrain Control Module (PCM) memory when PCM senses bus communication failure between processors. Possible cause for DTC to set is: defective PCM.
Internal controller operation is monitored with ignition on. DTC will set in Powertrain Control Module (PCM) memory when PCM senses internal checksum for software failed and does not match calculated value. Possible cause for DTC to set is: defective PCM.
A/C clutch relay voltage is monitored with ignition switch in RUN position and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) when PCM senses an open or short in A/C clutch relay control circuit. Possible causes for DTC to set are: defective A/C clutch relay, defective PCM, defective connector or defective wiring.
Transmission Control Module (TCM) is monitored for DTCs when ignition is on and engine is running. DTC will set in Powertrain Control Module (PCM) memory if any DTC is set in the TCM. Possible cause for DTC to set is: TCM DTC is present in PCM.
1/1 Heated Oxygen Sensor (HO2S) catalyst monitor is monitored with engine running, coolant temperature more than 170°F (77°C), open throttle, vehicle speed steadily increased to more than 18 MPH but less than 55 MPH, and light engine load exists for at least 5 minutes. DTC will set in Powertrain Control Module (PCM) memory when PCM senses 1/1 HO2S is switching from less than 0.39 volt to more than 0.6 volt fewer times than required. Possible causes for DTC to set are: oil or coolant consumption, defective 1/1 HO2S, defective connector or defective wiring.
2/1 Heated Oxygen Sensor (HO2S) catalyst monitor is monitored with engine running, coolant temperature more than 170°F (77°C), open throttle, vehicle speed steadily increased to more than 18 MPH but less than 55 MPH, and light engine load exists for at least 5 minutes. DTC will set in Powertrain Control Module (PCM) when PCM senses 2/1 HO2S is switching from less than 0.39 volt to more than 0.6 volt fewer times than required. Possible causes for DTC to set are: excessive engine blow-by, oil or coolant consumption, defective 2/1 HO2S, defective connector or defective wiring.
1/2 Heated Oxygen Sensor (HO2S) catalyst monitor is monitored with engine running, coolant temperature more than 170°F (77°C), open throttle, vehicle speed steadily increased to more than 18 MPH but less than 55 MPH, and light engine load exists for at least 5 minutes. DTC will set in Powertrain Control Module (PCM) when PCM senses 1/2 HO2S is switching from less than 0.39 volt to more than 0.6 volt fewer times than required. Possible causes for DTC to set are: excessive engine blow-by, oil or coolant consumption, defective 2/1 HO2S, defective connector or defective wiring.
Engine coolant temperature is monitored with engine running. DTC will set in Powertrain Control Module (PCM) memory when PCM senses engine coolant temperature does not reach 176°F (80°C) while driving for 20 minutes after start. Possible causes for DTC to set are: defective thermostat or cooling system problem.
Fuel pump relay voltage is monitored with ignition on and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses an open or short condition in fuel pump relay control circuit. Possible causes for DTC to set are: defective fuel pump relay, defective PCM, defective connector or defective wiring
Engine speed is monitored with engine idling, transmission in Drive (A/T), and no Manifold Absolute Pressure (MAP) or Throttle Position (TP) sensor DTCs present. DTC will set in Powertrain Control Module (PCM) memory when PCM senses engine speed at more than 200 RPM more or 100 RPM less than target idle speed for 14 seconds. Three separate failures are required to set a bad trip. Two bad trips are required to set DTC. Possible causes for DTC to set are: vacuum leak, defective throttle body, throttle plate or linkage improperly positioned, or defective connectors or wiring.
Manifold Absolute Pressure (MAP) sensor voltage is monitored during power-down and battery voltage is more than 10.4 volts. DTC will set in PCM memory when PCM senses MAP sensor voltage is less than 2.35 volts with ignition off for 5 seconds. Possible causes for either DTC to set are: defective MAP sensor, defective PCM, defective connectors or wiring.
Manifold Absolute Pressure (MAP) sensor operation is monitored with engine speed at 400-1500 RPM and throttle closed. DTC will set in Powertrain Control Module (PCM) when PCM senses too small a difference between barometric pressure with ignition on, and manifold vacuum with engine running for 8.8 seconds. Possible causes for DTC to set are: defective MAP sensor, defective or restricted vacuum ports, or defective connectors or wiring.
Auto Shutdown (ASD) relay operation is monitored with ignition on and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses an open or short condition in ASD relay circuit. Possible causes for DTC to set are: defective ASD relay, defective PCM, or defective connectors or wiring.
Auto Shutdown (ASD) relay operation is monitored with engine running, battery voltage more than 10.4 volts and engine speed more than 400 RPM. DTC will set in Powertrain Control Module (PCM) memory when PCM does not sense voltage when ASD relay is energized. Possible causes for DTC to set are: defective ASD relay, defective PCM, or defective connectors or wiring.
Camshaft Position (CMP) sensor and Crankshaft Position (CKP) sensor signals are monitored with engine running or cranking. DTC will set in Powertrain Control Module (PCM) memory when PCM senses FAILURE counter reaches 20 failures for 2 consecutive trips. Possible causes for DTC to set are: CKP sensor improperly installed, defective CKP sensor, defective CMP sensor, defective flywheel, or defective connectors or wiring.
Misfire adaptive numerator is monitored under closed throttle deceleration, with A/C off, engine coolant temperature more than 75°F (24°C) and more than 50 seconds after engine start. Speed at which deceleration occurs must be with vehicle speed at more than 36 MPH in first gear or 65 MPH in fourth gear. DTC will set in Powertrain Control Module (PCM) memory when PCM senses one of Crankshaft Position (CKP) sensor target windows has more than 2.86 percent variance from CKP sensor reference window. Possible causes for DTC to set are: improperly installed CKP sensor, defective CKP sensor, defective flywheel/flexplate, or defective connectors or wiring.
EVAP leak monitor is monitored after cold start with ambient temperature of 40-90°F (4.4-32°C) and coolant temperature within 10°F (-12°C) of ambient temperature. If PCM detects a pinched hose, DTC will not set until EVAP monitor performs system test. If system test fails, DTC will set. DTC will set in Powertrain Control Module (PCM) memory when EVAP monitor senses no airflow through EVAP system. Possible causes for DTC to set are: blocked fuel tank-to-EVAP canister hose, blocked Leak Detection Pump (LDP) hose, pinched EVAP purge solenoid-to-EVAP canister hose, blocked LDP or blocked EVAP canister.
Radiator fan relay voltage is monitored when ignition is on, battery voltage is more than 10 volts. DTC will set in PCM memory if PCM detects an open or shorted condition in radiator fan control relay circuit. Possible causes for DTC to set are: defective radiator fan relay, defective radiator fan, defective PCM, or defective connectors or wiring.
Ambient/battery temperature sensor is also referred to as Battery Temperature Sensor (BTS). BTS voltage is monitored with ignition on. DTC P1492 will set in Powertrain Control Module (PCM) memory when PCM senses voltage from BTS is more than 4.9 volts for 3 seconds. Possible causes for DTC to set are: defective BTS, defective PCM, defective connector or defective wiring.
Ambient/battery temperature sensor is also referred to as Battery Temperature Sensor (BTS). BTS voltage is monitored with ignition on. DTC will set in PCM memory when PCM senses voltage BTS is less than 0.5 volt for 3 seconds. Possible causes for either DTC to set are: defective BTS, defective PCM, defective connector or defective wiring.
Leak Detection Pump (LDP) switch operation is monitored immediately after a cold start, with ambient temperature 40-90°F (4-32°C) and engine coolant temperature within 10°F (-12°C) of ambient temperature. DTC will set in Powertrain Control Module (PCM) memory when PCM senses a change in switch state is not sensed when LDP solenoid is energized following an engine start. Possible causes for DTC to set are: defective LDP, defective PCM, or defective connectors or wiring.
Leak detection pump solenoid operation is monitored with ignition on and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses state of solenoid does not change. Possible causes for DTC to set are: defective Leak Detection Pump (LDP), defective PCM, defective LDP solenoid, or defective connectors or wiring.
Transponder ID (in ignition key) is monitored with ignition on. DTC will set in Powertrain Control Module (PCM) memory when transponder ID read by Smart Key Immobilizer Module (SKIM) does not match any transponder ID's stored in SKIM memory. Possible causes for DTC to set are: invalid SKIM KEY, defective PCM, defective connector or defective wiring.
Smart Key Immobilizer Module (SKIM) bus is monitored with ignition on and continuously during engine operation. DTC will set in Powertrain Control Module (PCM) memory when SKIM status bus message was not received from the SKIM for 20 seconds. Possible causes for DTC to set are: invalid SKIM KEY, defective PCM, defective connector or defective wiring.
DTC P1696 indicates PCM failure EEPROM write denied and is monitored with ignition on. DTC will set in Powertrain Control Module (PCM) memory when PCM's attempt to program/write to internal EEPROM fails. Possible cause for DTC to set is: defective PCM.
Messages from Transmission Control Module (TCM) are monitored when engine on and battery voltage more than 10 volts. The Powertrain Control Module (PCM) and TCM communicate messages across the Chrysler Collision Detection (CCD) bus, as information from either module is needed to operate their respective systems. DTC will set in PCM memory if no CCD bus messages are received from TCM for 10 seconds. Possible causes for DTC to set are: open circuit on CCD bus, defective PCM, defective TCM, or defective connectors or wiring.
Park/Neutral Position (PNP) switch is referred to as Transmission Range Sensor (TRS). TRS operation is monitored when transmission is in Park, Neutral or Drive and not in limp-in mode. DTC will set in Powertrain Control Module (PCM) memory if PCM detects an incorrect transmission range sensor state for a given mode of vehicle operation. Possible causes for DTC to set are: defective transmission TRS, defective PCM, or defective connectors or wiring.