Possible causes – Faulty Intake Air Temperature Sensor– Intake Air Temperature Sensor harness is open or shorted– Intake Air Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1112 JEEP OBD Code Description The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or…
Tag: JEEP
P0660 JEEP Manifold Tune Solenoid Circuit Condition
Possible causes – Faulty Intake Manifold Tuning Valve (IMTV)– Intake Manifold Tuning Valve harness is open or shorted– Intake Manifold Tuning Valve circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) has detected an improper signal from the Intake Manifold Tuning Valve (IMTV) Symptoms – Engine Light ON (or…
P1110 JEEP Decreased Engine Performance Condition High IAT Temperature
Possible causes – Faulty Intake Temperature sensor– Intake Temperature sensor harness is open or shorted– Intake Temperature sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1110 JEEP OBD Code Description Intake manifold temp sensor above acceptable operating range.
P1001 JEEP Ignition Key Off Timer Performance Too Fast
Possible causes – Faulty Ignition Switch– Ignition Switch harness is open or shorted– Ignition Switch circuit poor electrical connection– Faulty Body Control Module (BCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1001 JEEP OBD Code Description The Engine Control Module (ECM) has detected a power-on time issue when the ignition key…
P2099 JEEP Downstream Fuel Trim System 2 Rich
Possible causes – Faulty Heated Oxygen Sensor– Heated Oxygen Sensor harness is open or shorted– Heated Oxygen Sensor circuit poor electrical connection– Exhaust leaks– Contaminated Heated Oxygen Sensor Tech description Before replacing the Heated Oxygen Sensor, inspect the sensor connector for signs of damage, water ingress, or corrosion Symptoms – Engine Light ON (or Service…
P0508 JEEP Idle Air Control Valve Sense Circuit Low
Possible causes – Faulty Idle Air Control (IAC) motor– Idle Air Control (IAC) motor harness is open or shorted– Idle Air Control (IAC) motor circuit poor electrical connection When is the obd code mean? The PCM senses a short to ground or battery voltage on any of the control circuits for 2.75 seconds while the…
P0509 JEEP Idle Air Control Valve Sense Circuit High
Possible causes – Faulty Idle Air Control (IAC) motor– Idle Air Control (IAC) motor harness is open or shorted– Idle Air Control (IAC) motor circuit poor electrical connection When is the obd code mean? The PCM senses a short to ground or battery voltage on any of the control circuits for 2.75 seconds while the…
P0505 JEEP Idle Control System Malfunction
Possible causes – Faulty Idle Control System motor– Idle Control System motor harness is open or shorted– Idle Control System motor circuit poor electrical connection– Faulty Powertrain or Engine Control Module– Vaccum leaks or damaged hoses or improper routing Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine hard to start– Rough…
P0351 JEEP Ignition Coil 1 Circuit
Possible causes – Faulty Ignition Coil 1– Ignition Coil 1 harness is open or shorted– Ignition Coil 1 circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? Each ignition circuit is continuously monitored by the Engine Control Module (ECM). The test fails when the ECM does not receive a…
P0352 JEEP Ignition Coil 2 Circuit
Possible causes – Faulty Ignition Coil 2– Ignition Coil 2 harness is open or shorted– Ignition Coil 2 circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? Each ignition circuit is continuously monitored by the Engine Control Module (ECM). The test fails when the ECM does not receive a…