OBD Guide

P067C

Cylinder 5 Glow Plug Control Circuit Low

P067C is an OBD-II diagnostic trouble code meaning: Cylinder 5 Glow Plug Control Circuit Low. Common causes: control wire short circuit to ground, damaged or broken wiring. Estimated repair cost: $17–278.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–278 (est.)

Symptoms

  • Difficulty starting a diesel engine in cold weather
  • Check Engine Light
  • White smoke on cold start
  • Unstable idle after starting
  • Glow plug indicator

Causes

  • Control wire short circuit to ground
  • Damaged or broken wiring
  • GPCM module malfunction
  • Faulty glow plug cylinder 5
  • Oxidation of control circuit connectors

How to Fix

  1. Read OBD-II codes
  2. Inspect the wiring and connectors of the cylinder 5 spark plug and GPCM
  3. Measure the voltage in the control circuit
  4. Check the resistance of the glow plug (normal: 0.5–2 Ohm)
  5. Check the circuit for short to ground
  6. If in good condition - diagnostics and replacement of GPCM

Related codes

Error P067C by Vehicle Brand

FAQ

What does the P067C code mean?

P067C is an OBD-II diagnostic trouble code that indicates: Cylinder 5 Glow Plug Control Circuit Low

What causes a P067C error code?

The most common causes of P067C include: Control wire short circuit to ground; Damaged or broken wiring; GPCM module malfunction; Faulty glow plug cylinder 5.

How do I fix a P067C diagnostic trouble code?

To fix P067C: Read OBD-II codes. Inspect the wiring and connectors of the cylinder 5 spark plug and GPCM. Measure the voltage in the control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P067C?

Yes, but get it checked soon

How much does it cost to fix P067C?

The estimated repair cost for P067C is $17–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat