P067E

Cylinder 6 Glow Plug Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–278 (est.)

Symptoms

Difficulty starting a diesel engine at low temperatures
Check Engine Light
White smoke on cold start
Unstable idle after starting
The glow plug indicator is on

Causes

Control wire short circuit to ground
Broken or damaged wiring
GPCM module malfunction
Faulty glow plug cylinder 6
Oxidation of connectors

How to Fix

Read OBD-II codes
Inspect the wiring and connectors of cylinder 6 spark plug and GPCM module
Measure the voltage in the control circuit
Check glow plug resistance
Check the circuit for short to ground
If the circuit is working properly, diagnose and replace the GPCM

Related codes

P067F P0676 P066E P0670