BMW rear-compartment air conditioning fault codes
The 44 fault codes the rear-compartment air conditioning 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 (E65), 7 Series (E66), 7 Series (E67), X5 (E70), X6 (E71), X6 (E72)
- A1E8 FKA: Electric auxiliary heater, left (and 1 other meaning)
- A1E9 FKA: Electric auxiliary heater, right (and 1 other meaning)
- A1EA FKA: Stratification-flap motor, left
- A1EB FKA: Blower power stage (and 1 other meaning)
- A1EC FKA: Seat heating, rear left (and 1 other meaning)
- A1ED FKA: Seat heating, rear right (and 1 other meaning)
- A1EE FKA: Rear compartment, temperature control, right
- A1EF FKA: Interior-temperature sensor (and 1 other meaning)
- A1F0 FKA: Footwell-temperature sensor, left (and 1 other meaning)
- A1F1 FKA: Footwell-temperature sensor, right (and 1 other meaning)
- A1F2 FKA: Ventilation-temperature sensor, left (and 1 other meaning)
- A1F3 FKA: Ventilation-temperature sensor, right (and 1 other meaning)
- A1F4 FKA: Stratification controller, left (and 1 other meaning)
- A1F5 FKA: Stratification controller, right (and 1 other meaning)
- A1F6 FKA: Internal supply, terminal 30 (and 1 other meaning)
- A1F7 FKA: Supply, stratification adjuster (and 1 other meaning)
- A1F8 FKA: Symbol lighting, cooler compartment
- A1F9 FKA: Function lighting (OFF)
- A1FA FKA: Function lighting (MAX-AC)
- A1FB FKA: Function lighting, cooler box
- A1FC FKA: Interior-temperature-sensor fan (and 1 other meaning)
- A201 FKA: Instrument cluster, communication fault (outside temperature)
- A202 FKA: Dimmer setting, communication fault
- A203 FKA: Car Access System (CAS), communication fault
- A204 FKA: Engine control module, communication fault (engine speed)
- A205 FKA: Power module, communication fault
- A206 FKA: Engine control module, communication fault (coolant temperature)
- A207 FKA: Transport mode active
- E744 FKA: K-CAN line fault
- E745 FKA: K-CAN High line fault
- E746 FKA: Rear-compartment A/C motor, bus fault
- E747 FKA: K-CAN communication fault (and 1 other meaning)
- E754 No message (power management, battery voltage, 0x3B4), receiver FKA, transmitter DME-DDE
- E755 No message (kilometer reading/range, 0x330), receiver automatic rear air-conditioning system, transmitter instrument panel
- E756 No message (power management, consumer/load control, 0x3B3), receiver FKA, transmitter DME-DDE
- E757 No message (status climate front, 0x242), receiver automatic rear air-conditioning system, transmitter integrated automatic heating / air conditioning system
- E758 No message (relative time, 0x328), receiver automatic rear air-conditioning system, transmitter instrument panel
- E759 No message (control climate rear passenger compartment, 0x3F8), receiver automatic rear air-conditioning system, transmitter integrated automatic heating / air conditioning system
- E75A No message (engine data, 0x1D0), receiver FKA, transmitter DME-DDE
- E75B No message (status climate air distribution driver's side, 0x2E6), receiver automatic rear air-conditioning system, transmitter IHKA
- E75C No message (terminal status, 0x130), receiver automatic rear air-conditioning system, transmitter CAS
- E75D No message (ambient temperature, 0x2CA), receiver automatic rear air-conditioning system, transmitter instrument panel
- E75E No message (dim, 0x202), receiver automatic rear air-conditioning system, transmitter footwell module
- E75F No message (LCD brightness, 0x2C0), receiver automatic rear air-conditioning system, transmitter instrument panel
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