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DTC code

P0682

Cylinder 12 Glow Plug Circuit/Open

Technical guide

reference — not individually verified

Symptoms

  • Glow plug warning light on (often orange coil symbol)
  • Hard cold start or no start in cold weather
  • White smoke from exhaust during warm-up

Probable causes

  • high: Plug element burnt out
  • low: Pin pushed back out of connector body
  • low: Cracked solder joint inside the module or sensor

Diagnostic steps

Check the components involved: glow plug cyl 12. Verify wiring and connectors before replacing any part. Job difficulty: easy. Typical European range — 60-250 EUR, 0.4-1.4 h. Reference values only.

Cross-checked technical synthesis (QA). It does not replace the manufacturer's procedure.

AI here is a librarian: this page shows only what mechanics confirmed, or says “unknown”. It never suggests a diagnosis — MECCANIC interprets the code, never your car.

0 confirmed cases on P0682

Nothing confirmed yet for this code. No guess is offered on purpose.

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P0682 — Cylinder 12 Glow Plug Circuit/Open — CodMec