Powertrain
generic / SAE
P0382
Glow Plug/Heater Circuit B
A general electrical fault on glow-plug heater circuit B — typically the second bank of glow plugs on an inline-6 or V-engine.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / 82
Possible causes
- Glow plug or harness failed high
Symptoms
- Glow plug warning light on (often orange coil symbol)
- Hard cold start or no start in cold weather
- White smoke from exhaust during warm-up
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–600 €
- Estimated time: 0.5–2.5 h
- Component: glow plug
- Component: glow plug control module
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012