P0382
PowertrainGlow Plugmoderate severityGlow Plug/Heater Circuit B
What P0382 Means
Malfunction in the glow plug circuit B (second bank on V-configuration diesels).
Symptoms
- Check Engine Light
- Hard cold starting
- White smoke
- Extended cranking
Common Causes
- Faulty glow plug(s) Bank 2
- Wiring issue Bank 2
- Relay/module failure
Diagnostic Steps
- Test glow plug resistance Bank 2
- Check wiring
- Test relay
Where to start: Replace faulty glow plugs Bank 2.
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