Tag: P1639

P1639 FORD Vehicle ID Block Corrupted or Not Programmed

Possible causes – New PCM-Needs programming– Incorrect VID configuration Tech description 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 the following models:1999-2002 Ford Mustang2000-2002 Ford Focus1999-2002 Ford Expedition1999-2002 Ford F-1502000-2002 Ford E Series2001-2002 Ford…

P1639 DODGE TCM Internal CAN 2 RAM Performance

Possible causes – Failed Transmission Control Module (TCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1639 DODGE OBD Code Description The TCM is reporting an internal processor error

P1639 CHEVROLET PCM 5 Volt Reference Voltage Circuit Condition

Possible causes – Sensor using 5 volt reference line shorted to ground– Circuit short to ground When is the obd code mean? If the voltage is out of tolerance, the PCM will set DTC P1639. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1639 CHEVROLET OBD Code Description The powertrain control module…

P1639 CADILLAC PCM 5 Volt Reference Voltage Circuit Condition

Possible causes – Sensor using 5 volt reference line shorted to ground– Circuit short to ground When is the obd code mean? If the voltage is out of tolerance, the PCM will set DTC P1639. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1639 CADILLAC OBD Code Description The powertrain control module…