Tag: CHRYSLER

Possible causes – Faulty Input Speed Sensor– Input Speed Sensor harness is open or shorted– Input Speed Sensor circuit poor electrical connection When is the obd code mean? The Transmission Control Module (TCM) has detected a correlation error between the two Input Speed Sensor signals. Symptoms – Engine Light ON (or Service Engine Soon Warning…

Possible causes – Faulty Intake Air Heater Relay– Intake Air Heater Relay harness is open or shorted– Intake Air Heater Relay circuit poor electrical connection Tech description Dfuser P0541 AIH Code Eliminator When is the obd code mean? The Engine Control Module (ECM) sends a bias voltage on diagnostic circuits one and two. If this…

Possible causes – Faulty Intake Air Heater Relay– Intake Air Heater Relay harness is open or shorted– Intake Air Heater Relay circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) sends a bias voltage on diagnostic circuits one and two. If this voltage is high with the relay ON,…

Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection When is the obd code mean? – An excessively high voltage from the sensor is sent to ECM. Symptoms – Engine Light ON (or…

Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection When is the obd code mean? An excessively low or high voltage from the sensor is sent to ECM. Symptoms – Engine Light ON…

Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection When is the obd code mean? An excessively low voltage from the sensor is sent to ECM. Symptoms – Engine Light ON (or Service…

Possible causes – Faulty Intake Air Temperature (IAT) sensor– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor electrical circuit poor connection Tech description If the Intake Air Temperature (IAT) is part of the Mass Air Flow (MAF) the MAF assembly will need to be replaced to fix the…

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…

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…

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…