Technical Definition:
Glow Plug Control Module to Powertrain Control Module (PCM) Communication Circuit
Trouble Code: P0683
Address: 0x0683
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Address: 0x0683
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:
Possible Causes:
Possible Symptoms:
Glow Plug Module Control To ECM Communication Circuit Fault
Possible Solutions:
OBD-II Trouble Code Type:
Diagnostic Step:
Tech Notes:
– Faulty Glow Plug Control Module (GPCM)
– GPCM harness is open or shorted
– GPCM circuit poor electrical connection
– Faulty Engine Control Module (ECM)