P0670 OBD Code Definition:
P0670 Glow Plug Control Module Circuit Fault
P0670 OBD Code Description:
OBD Code P0670
Glow Plug Module Control Circuit
What’s mean?
OBD2 Code P0670 Definition:
The Engine Control Module (ECM) has detected a fault on the Glow Plug Control Module (GPCM) control circuit
Symptoms
Possible sumptoms of P0670
– 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 P0670
– Control line open circuit – Control line short to ground or power – Faulty GPCM – ECM fault
Possible Solutions