OBD-II code · Powertrain (generic, extended)
P2362 Glow Plug Module Control Module Power Circuit Low
The diesel glow plug control module reports a power-supply voltage below the operating threshold. Glow plug heating may be partially or fully disabled, causing hard cold start.
Is it safe to drive with P2362?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyWeak battery / poor charging
- PossibleVoltage drop in module supply
- Less likelyConnector pins corroded - high contact resistance
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
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- Parts involved
- Glow Plug Control Module, Glow Plug Relay, Battery
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.