P0677 OBD Code Definition:
P0677 Cylinder 7 Glow Plug Circuit Fault
P0677 OBD Code Description:
OBD Code P0677
Cylinder 7 Glow Plug Circuit
What’s mean?
OBD2 Code P0677 Definition:
The Engine Control Module (ECM) has detected a fault in the cylinder #7 glow plug circuit
Symptoms
Possible sumptoms of P0677
– 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 P0677
– Cylinder #7 glow plug circuit is open or shorted – Faulty cylinder #7 glow plug – Faulty glow plug module
Possible Solutions