P0384
PowertrainGlow Plugmoderate severityGlow Plug Control Module Control Circuit High
What P0384 Means
High voltage in glow plug control module circuit.
Symptoms
- Glow plugs staying on too long
- Possible glow plug damage
Common Causes
- Short to power
- Module failure
Diagnostic Steps
- Test voltage
- Check for shorts to power
- Test module
Where to start: Repair wiring or replace module.
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