BMW independent/auxiliary heating fault codes
The 16 fault codes the independent/auxiliary heating can store, and what each one means. Some codes mean different things in different versions of the module; tap a code to see which applies to your car.
On: 7 Series (E38), 5 Series (E39), 3 Series (E46), X5 (E53)
- 0000 STH: Glow plug/flame monitor
- 0001 STH: Temperature sensor
- 0002 STH: Combustion-air fan
- 0003 STH: Circulating pump
- 0004 STH: Metering pump
- 0005 Vehicle blower control
- 0006 STH: Heater overheating
- 0007 STH: Undervoltage deactivation
- 0008 STH: Overvoltage deactivation
- 0009 STH: Control module faulty
- 000A STH: EEPROM data record incorrect
- 000B STH: No flame formation
- 000C STH: No flame formation after flame interruption
- 000D STH: Repeated flame interruption in heating cycle
- 000E STH: K-bus malfunction
- 000F Outside temperature not available
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