Possible causes – Accelerator pedal position sensor open or short circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1639 VOLKSWAGEN Description Open or short circuit condition
Possible causes – Engine Control Module (ECM) poor electrical connection– Shorted sensor – Faulty ECM Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Failed Transmission Control Module (TCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1639 DODGE Description The TCM is reporting an internal processor error
Possible causes – Failed Transmission Control Module (TCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1639 CHRYSLER Description The TCM is reporting an internal processor error
Possible causes – Failed Transmission Control Module (TCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1639 JEEP Description The TCM is reporting an internal processor error
Possible causes – New PCM-Needs programming– Incorrect VID configuration Tech notes After a new PCM has been installed, the Vehicle Identification (VID) block has to be program to the PCM. There is a service bulletin for the P1639 code for
Possible causes – New PCM-Needs programming– Incorrect VID configuration Tech notes After a new PCM has been installed, the Vehicle Identification (VID) block has to be program to the PCM. There is a service bulletin for the P1639 code for
Possible causes – New PCM-Needs progranming– Incorrect VID configuration Tech notes After a new PCM has been installed, the Vehicle Identification (VID) block has to be program to the PCM. There is a service bulletin for the P1639 code for
Possible causes – Reprogram computer– Faulty Powertrain Control Module (PCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) MAZDA Technical Service Bulletins for P1639 code 2001 MAZDA TRIBUTE POWER TRAIN 2002 MAZDA TRIBUTE POWER TRAIN 2001 MAZDA
Possible causes – Sensor using 5 volt reference line shorted to ground– Circuit short to ground When is the code detected? If the voltage is out of tolerance, the PCM will set DTC P1639. Symptoms – Engine Light ON (or
Possible causes – Sensor using 5 volt reference line shorted to ground– Circuit short to ground When is the code detected? If the voltage is out of tolerance, the PCM will set DTC P1639. Symptoms – Engine Light ON (or
Possible causes – Sensor using 5 volt reference line shorted to ground– Circuit short to ground When is the code detected? If the voltage is out of tolerance, the PCM will set DTC P1639. Symptoms – Engine Light ON (or
Possible causes – Sensor using 5 volt reference line shorted to ground– Circuit short to ground When is the code detected? If the voltage is out of tolerance, the PCM will set DTC P1639. Symptoms – Engine Light ON (or
BUICK Technical Service Bulletins for P1639 code 2004 BUICK RAINIER ELECTRICAL SYSTEM
P1639 HYUNDAI – ECM (Monitoring ADC) – Malfunction
P1639 HONDA – MOTB Signal Circuit Malfunction