Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…
Tag: JEEP
P0330 JEEP Knock Sensor 2 Circuit
Possible causes – Faulty knock sensor– Knock sensor circuit poor electrical connection– Knock sensor harness is open or shorted– Faulty Engine Control Module (ECM) Tech description The P0330 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems. Replacing the knock sensor usually…
P1002 JEEP Ignition Key Off Timer Performance Too Slow
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) P1002 JEEP OBD Code Description The Engine Control Module (ECM) has detected a power-on time issue when the ignition key…
P2767 JEEP Input Speed Sensor 2 Circuit No Signal
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…
P0541 JEEP Intake Air Heater Relay 1 Low
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…
P0542 JEEP Intake Air Heater Relay 1 High
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,…
P0113 JEEP Intake Air Temperature Sensor 1 Circuit High
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…
P0111 JEEP Intake Air Temperature Sensor 1 Performance
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…
P0112 JEEP Intake Air Temperature Sensor 1 Circuit Low
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…
P0127 JEEP Intake Air Temperature Too High
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…