Possible causes – Faulty Park/Neutral Position Switch– Misadjusted Park/Neutral Position Switch– Park/Neutral Position Switch harness is open or shorted– Park/Neutral Position Switch circuit poor electrical connection When is the obd code mean? The transmission range switch detects the selector lever position and sends a signal to the Powertrain Control Module (PCM). Symptoms – Engine Light…
Tag: GMC
P0706 GMC Transmission Range Switch Performance
Possible causes – Faulty Park/neutral position switch– Misadjusted park/neutral position switch– Park/neutral position switch harness is open or shorted– Park/neutral position switch circuit poor electrical connection When is the obd code mean? The transmission range switch detects the selector lever position and sends a signal to the TCM. Symptoms – Engine Light ON (or Service…
P0604 GMC Control Module Random Access Memory
Possible causes – Faulty Powertrain Control Module (PCM)– PCM harness is open or shorted– PCM circuit poor electrical connection– PCM Programming Tech description Check the Powertrain Control Module (PCM) fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the PCM. When…
P0601 GMC Power Control Module Internal Fault
Possible causes – Faulty Powertrain Control Module (PCM)– Powertrain Control Module (PCM) harness is open or shorted– Powertrain Control Module (PCM) cicuit poor electricl connection– Low battery voltage Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0601 GMC OBD Code Description
P1621 GMC Control Module Long Term Memory Performance Condition
Possible causes – Faulty Powertrain Control Modules (PCM)– Low car battery voltage When is the obd code mean? If the checksum of the Electronically Erasable Programmable Read Only Memory (EEPROM) does not match a predetermined value by the Powertrain Control Modules (PCM), DTC P1621 will set. Symptoms – Engine Light ON (or Service Engine Soon…
P1107 GMC Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage
Possible causes – Faulty Manifold Absolute Pressure (MAP) sensor– Manifold Absolute Pressure (MAP) sensor harness is open or shorted– Manifold Absolute Pressure (MAP) sensor circuit poor electrical connection When is the obd code mean? If the Powertrain Control Module (PCM) detects a Manifold Absolute Pressure (MAP) sensor signal voltage that is intermittently low, the P1107…
P0108 GMC Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Possible causes – Faulty Manifold Absolute Pressure sensor– Manifold Absolute Pressure harness is open or shorted– Manifold Absolute Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An excessively high voltage from the sensor is sent to ECM Symptoms – Engine Light ON (or Service Engine Soon…
P0105 GMC Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction
Possible causes – Faulty Manifold Absolute Pressure sensor– Manifold Absolute Pressure harness is open or shorted– Manifold Absolute Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An excessively low or high voltage from the sensor is sent to ECM. Symptoms – Engine Light ON (or Service…
P0106 GMC Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem
Possible causes – Faulty Manifold Absolute Pressure sensor– Manifold Absolute Pressure harness is open or shorted– Manifold Absolute Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An excessively low or high voltage from the sensor is sent to ECM Symptoms – Engine Light ON (or Service…
P0107 GMC Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
Possible causes – Faulty Manifold Absolute Pressure sensor– Manifold Absolute Pressure harness is open or shorted– Manifold Absolute Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An excessively low voltage from the sensor is sent to ECM Symptoms – Engine Light ON (or Service Engine Soon…