P0682
Cylinder 12 Glow Plug Circuit Open
The glow plug circuit on cylinder 12 is open - usually a broken connection or burnt-out heater element.
The glow plug circuit on cylinder 12 is open - usually a broken connection or burnt-out heater element.
Common causes
- high
Plug element burnt out
One of the most commonly reported causes for this code — check this first.
Typical part cost: $70-280
- low
Pin pushed back out of connector body
Less common, but worth ruling out after the more likely causes.
Typical part cost: $70-280
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P0682 mean?
P0682 means "Cylinder 12 Glow Plug Circuit Open". It is a generic OBD-II code that points to a fault in the computer & auxiliary output controls.
What are the most common causes of P0682?
plug element burnt out; pin pushed back out of connector body; cracked solder joint inside the module or sensor — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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