P0681 Chevrolet Cylinder 11 Glow Plug Circuit Fault

P0681 Chevrolet Cylinder 11 Glow Plug Circuit Fault

Possible causes
– Faulty cylinder #11 glow plug
– Cylinder #11 glow plug harness is open or shroted
– Cylinder #11 glow plug circuit poor electrical connection
– Faulty glow plug module
What about the obd code?
The Engine Control Module (ECM) has detected a fault in the cylinder #11 glow plug circuit
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Lack/Loss of Power
– The engine may be harder to start
– Engine hesitation