CAR OBD CODES

P0683 OBD Code Definition:
P0683 Glow Plug Module Control To ECM Communication Circuit Fault
P0683 OBD Code Description:

OBD2 Code P0683 Definition:
The Engine Control Module (ECM) has detected a communication fault with the Glow Plug Control Module (GPCM) circuit Symptoms

Possible sumptoms of P0683
– Engine Light ON (or Service Engine Soon Warning Light) – Lack/Loss of Power – The engine may be harder to start – Engine hesitation Possible Causes

Possible causes of P0683
– Control line open circuit – Control line short to ground or power – Faulty GPCM – ECM fault Possible Solutions

Note: The information on the P0683 error code is purely informative, if you need more useful information, please consult your technician.