BMW telematics control unit fault codes
The 77 fault codes the telematics control unit 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: 5 Series (E60), 5 Series (E61), 6 Series (E63), 6 Series (E64), 7 Series (E65), 7 Series (E66), 7 Series (E67), X5 (E70), X6 (E71), X6 (E72), 1 Series (E81), 1 Series (E82), X1 (E84), 1 Series (E87), 1 Series (E88), Z4 (E89), 3 Series (E90), 3 Series (E91), 3 Series (E92), 3 Series (E93)
- 0236 Transport mode active
- A368 TCU: GPS antenna, short circuit (and 2 other meanings)
- A369 TCU: GPS antenna, open circuit (and 1 other meaning)
- A36A ULF: Push to talk button jammed (and 4 other meanings)
- A36B ULF: Bluetooth fault (and 3 other meanings)
- A36C ULF: Bluetooth, antenna fault (and 3 other meanings)
- A36D TCU: Emergency call button, open circuit (and 3 other meanings)
- A36E Error_FOT_Temperature_Fault. (and 4 other meanings)
- A36F Error_Failed_Power_On_Self_Test. (and 3 other meanings)
- A370 Error_DSP_Failure. (and 3 other meanings)
- A371 KISA: deinstallation after multiple resets
- A372 TCU: Communication with airbag control module disrupted (signal faulty)
- A373 TCU: Memory fault
- A374 TCU: Emergency SOS call button, short circuit to ground
- A375 Communication with airbag control unit disrupted (Error_IBUS_CONNECTION_FAIL) (and 1 other meaning)
- A376 TCU: Communication fault with telephone handset (and 1 other meaning)
- A377 TCU: Telephone handset sending invalid button status
- A378 TCU: Communication with airbag control module disrupted (no signal)
- A379 TCU: Fault, Bluetooth interface
- A37A TCU: Transport mode active
- A37B TCU: Fault, emergency GSM antenna
- A37C TCU: Telematics fault (error in Telematics SIM) (and 1 other meaning)
- A37D TCU: Fault, emergency speaker
- A37E TCU: Fault, Bluetooth button
- A382 TCU: Fault, microphone 1
- A383 TCU: Fault, microphone 2
- A384 TCU: Internal SIM card cannot be reached
- A385 TCU: Internal SIM card cannot be read
- A386 TCU: Internal SIM card PIN disabled
- A387 TCU: Fault, Bluetooth antenna
- A390 TCU: Fault, emergency GSM antenna
- A391 TCU: Fault, main telephone antenna
- A392 TCU: Fault, emergency loudspeaker
- A397 TCU: Fault, Bluetooth button
- A398 TCU: Fault, microphone 1
- A399 TCU: Fault, microphone 2
- A3A0 TCU: Telematics fault (prefit SIM not accessible)
- A3A1 TCU: Telematics fault (error reading prefit SIM)
- A3A2 TCU: Telematics fault (prefit SIM PIN locked)
- A3A3 TCU: Fault, Bluetooth antenna
- A8E8 TCU: Signal, wheel-speed sensor, faulty (direct line)
- A8E9 TCU: Faulty coding (GPS active)
- A8EB TCU: Signal, wheel-speed sensor, faulty (MOST)
- A8EC CBX-MEDIA: Hardware reset
- A8ED Microphone 1. Short circuit to B+
- A8EE Microphone 1. Short circuit to earth
- A8EF Microphone 1. Open circuit
- A8F3 Bluetooth antenna: Short circuit to B+
- A8F4 Bluetooth antenna: open circuit
- A8F5 AUX connection, right: Short circuit to B+
- A8F6 AUX connection, right: Short circuit to earth
- A8F7 AUX connection, left: Short circuit to B+
- A8F8 AUX connection, left: Short circuit to earth
- A8F9 CBX-MEDIA: Software reset
- A8FA Overvoltage
- A8FB Invalid Bluetooth address
- A900 USB port: Shut-down due to overloading
- A901 Snap-in adapter (USB port): Shut-down due to overloading
- ACC8 KISA: memory or file system faulty
- ACC9 KISA: inconsistent system status
- ACD7 KISA: unspecified system defect or inconsistent system status
- D685 TEL: Emergency-call button not sending a check-back signal
- D686 TEL: Fault, crash signal
- D687 TEL: Phone board line fault
- D688 TEL: Fault, phone board sending invalid key code
- D689 Unknown portable fault
- D68C A device has not accepted or confirmed the monitoring message. (Error_Monitoring).
- D68D Waking device failed 3 times to wake the network. (Error_WakeUp_Failed). (and 4 other meanings)
- D68E Although Shutdown (Execute) was sent, the light did not go out (Error_Light_Not_OFF). (and 4 other meanings)
- D68F Central registry does not match the specified configuration (Error_Registry_New).
- D690 Ring break diagnosis was performed (Error_Ring_Diagnose). (and 3 other meanings)
- D691 Long and/or frequent unlocks (Error_Unlock_Long). (and 3 other meanings)
- D692 TCU: Deactivation, overtemperature (and 4 other meanings)
- D6A4 TEL: Emergency call button not sending a check back signal
- D6A5 TEL: Fault, crash signal
- D6A6 TEL: Phone board line fault
- D6A7 TEL: Fault, phone board sending invalid key code
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