TorqueMech Beta
TorqueMech OBD Code Guide

P0681 - Cylinder 11 Glow Plug Circuit

The ECM detected a fault in glow plug circuit for cylinder 11.

Code Overview

The ECM detected a fault in glow plug circuit for cylinder 11.

Common Causes

  • Failed glow plug on cylinder 11
  • Damaged wiring or connector at cylinder 11 glow plug
  • Glow plug control module or power-supply issue

Diagnostic Steps

  1. Inspect glow plug 11 wiring and connector condition
  2. Check resistance and power feed to the glow plug circuit
  3. Look for fuse, relay, or module faults before replacing parts

Likely Repairs & Cost Guides

Use test results to confirm the fault before pricing the repair.

Open Estimator

Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.