BMW audio system controller fault codes
The 54 fault codes the audio system controller 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)
- A188 ASK: Control module fault
- A189 Output stages IC defective (Error_Audio_Amplifier_IC)
- A18A ASK: Drive faulty
- A18B DSP flash CRC test error
- A18C CCC-ASK: Overcurrent, Minidisk player
- A18D CCC-ASK: Coding data fault
- A18E CCC-ASK: MD hardware fault
- A18F CCC-ASK: Loading mechanism of Minidisk player faulty
- A190 CCC-ASK: Limit switch, loading mechanism of Minidisk player, faulty
- A191 I2C driver error
- A192 DSP self-test failed
- A193 CCC-ASK: Connection fault between CCC-ASK and Minidisk player
- A194 ST10 RAM Self-Test failed
- A195 ST10 Flash CRC check DAF failed
- A196 ST10 Flash CRC check PAF failed
- A197 CCC-ASK: Hardware fault in CCC
- A198 CCC-ASK: No connection to Minidisk player
- A199 ST10 watchdog timeout
- A19A DSP lost audio synchronization (obsolete)
- A19B DSP watchdog timeout
- A19C Microphone not connected or short circuit
- A19D AUX not connected
- A1A1 Invalid ACK received from DSP (obsolete)
- A1A2 DSP reset after 3 communication retries
- A1A3 CODEC reinitialization because DSP initialization did not complete within 10 seconds
- A1A4 DSP boot timeout
- A1A5 DSP or CODEC could not be initialized within 30 seconds
- A1A6 Unexpected DSP reset
- A1A7 Bootloader defective
- AD48 ASD: Transport mode active
- AD49 ASD: Internal control unit fault, hardware
- AD4A ASD: Undervoltage
- AD4B ASD: Overvoltage
- AD4C ASD: RAD_ON Line: Short circuit to B+ or open circuit
- AD4D ASD: RAD_ON Line: Short circuit to ground
- AD4E ASD: Excess temperature
- AD4F Speaker channel, front left: Malfunction
- AD50 Speaker channel, front right: Malfunction
- AD51 Speaker channel, rear left: Malfunction
- AD52 Speaker channel, rear right: Malfunction
- AD53 ASD: No current coding data stored
- AD54 ASD: Invalid coding data for equalizing
- AD55 Internal control unit fault, software
- D8C4 ASD, K-CAN2: Communications fault
- D8C7 ASD, K-CAN: Communications fault
- D8CD Waking device failed 3 times to wake the network. (Error_WakeUp_Failed).
- D8CE Although Shutdown(Execute) was sent, the light did not turn off. (Error_Light_Not_Off).
- D8CF Central registry does not match the target configuration (Error_Registry_New).
- D8D0 Ring break diagnosis was performed (Error_Ring_Diagnose).
- D8D1 Long and/or frequent unlocks (Error_Unlock_Long).
- D8D2 ASK: Deactivation, high temperature
- D8EC Signal (engine data, 0x1D0) invalid, transmitter DME/DDE
- D8ED Signal (torque 1, 0xA8) invalid, transmitter DME/DDE
- D8FC Signal (torque 3, 0xAA) invalid, transmitter DME/DDE
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