Technical Definition:
Powertrain Control Module (PCM) / Engine Control Module (ECM) / Transmission Control Module (TCM) Internal Temperature Too High
Trouble Code: P0634
Address: 0x0634
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Address: 0x0634
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:
Possible Causes:
Possible Symptoms:
PCM/ECM/TCM Internal Temperature “A” Too High