P067B
Cylinder 4 Glow Plug Control Circuit High
P067B is an OBD-II diagnostic trouble code meaning: Cylinder 4 Glow Plug Control Circuit High. Common causes: control wire short circuit to power, open ground circuit. Estimated repair cost: $17–278.
Symptoms
- Difficulty starting a diesel engine in cold weather
- Check Engine Light
- White smoke when starting in cold weather
- Unstable engine operation
- The glow plug indicator is on
Causes
- Control wire short circuit to power
- Open ground circuit
- GPCM module malfunction
- Damage to wiring or connectors
- Internal ECU fault
How to Fix
- Read OBD-II codes and capture data
- Inspect the wiring and connectors
- Measure the voltage in the cylinder 4 spark plug control circuit
- Check the ground circuit for open circuit
- Check the wire for short to power
- If the circuit is working properly - GPCM or ECU diagnostics
Related codes
Error P067B by Vehicle Brand
FAQ
What does the P067B code mean?
P067B is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Glow Plug Control Circuit High
What causes a P067B error code?
The most common causes of P067B include: Control wire short circuit to power; Open ground circuit; GPCM module malfunction; Damage to wiring or connectors.
How do I fix a P067B diagnostic trouble code?
To fix P067B: Read OBD-II codes and capture data. Inspect the wiring and connectors. Measure the voltage in the cylinder 4 spark plug control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P067B?
Yes, but get it checked soon
How much does it cost to fix P067B?
The estimated repair cost for P067B is $17–278. Actual cost depends on your vehicle, location, and labor rates.
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