Diagnostic Trouble Code Index DTC: Audio Head Unit (AHU) -- Discovery Sport/L550
- Diagnostic Trouble Code Index DTC: Audio Head Unit (AHU)
- Description And Operation
- Audio Head Unit (AHU)
- DTC B1087-41: LIN Bus "A" - General checksum failure
- DTC B1087-87: LIN Bus "A" - Missing message
- DTC B108E-13: Display - Circuit open
- DTC B115E-31: Camera Module - No signal
- DTC B119F-11: GPS Antenna - Circuit short to ground
- DTC B119F-12: GPS Antenna - Circuit short to battery
- DTC B119F-13: GPS Antenna - Circuit open
- DTC B11A5-11: Band 3 Antenna - Circuit short to ground
- DTC B11A5-12: Band 3 Antenna - Circuit short to battery
- DTC B11A5-13: Band 3 Antenna - Circuit open
- DTC B1252-13: USB Port - Circuit open
- DTC B128A-11: Speaker #13 - Circuit short to ground
- DTC B128A-12: Speaker #13 - Circuit short to battery
- DTC B128A-13: Speaker #13 - Circuit open
- DTC B128B-11: Speaker #14 - Circuit short to ground
- DTC B128B-12: Speaker #14 - Circuit short to battery
- DTC B128B-13: Speaker #14 - Circuit open
- DTC B128C-11: Speaker #15 - Circuit short to ground
- DTC B128C-12: Speaker #15 - Circuit short to battery
- DTC B128C-13: Speaker #15 - Circuit open
- DTC B12B8-01: USB Port #2 - General electrical failure
- DTC B12B8-13: USB Port #2 - Circuit open
- DTC B14AD-02: Front Display Screen - General signal failure
- DTC B14AD-05: Front Display Screen - System programming failures
- DTC B14AD-16: Front Display Screen - Circuit voltage below threshold
- DTC B14AD-17: Front Display Screen - Circuit voltage above threshold
- DTC B14AD-31: Front Display Screen - No signal
- DTC B14AD-49: Front Display Screen - Internal electronic failure
- DTC B14AD-96: Front Display Screen - Component internal failure
- DTC B14AD-98: Front Display Screen - Component or system over temperature
- DTC B14AD-9A: Front Display Screen - Component or system operating conditions
- DTC B1A01-11: Speaker #1 - Circuit short to ground
- DTC B1A01-12: Speaker #1 - Circuit short to battery
- DTC B1A01-13: Speaker #1 - Circuit open
- DTC B1A02-11: Speaker #2 - Circuit short to ground
- DTC B1A02-12: Speaker #2 - Circuit short to battery
- DTC B1A02-13: Speaker #2 - Circuit open
- DTC B1A03-11: Speaker #3 - Circuit short to ground
- DTC B1A03-12: Speaker #3 - Circuit short to battery
- DTC B1A03-13: Speaker #3 - Circuit open
- DTC B1A04-11: Speaker #4 - Circuit short to ground
- DTC B1A04-12: Speaker #4 - Circuit short to battery
- DTC B1A04-13: Speaker #4 - Circuit open
- DTC B1A05-11: Speaker #5 - Circuit short to ground
- DTC B1A05-12: Speaker #5 - Circuit short to battery
- DTC B1A05-13: Speaker #5 - Circuit open
- DTC B1A06-11: Speaker #6 - Circuit short to ground
- DTC B1A06-12: Speaker #6 - Circuit short to battery
- DTC B1A06-13: Speaker #6 - Circuit open
- DTC B1A07-11: Speaker #7 - Circuit short to ground
- DTC B1A07-12: Speaker #7 - Circuit short to battery
- DTC B1A07-13: Speaker #7 - Circuit open
- DTC B1A08-11: Speaker #8 - Circuit short to ground
- DTC B1A08-12: Speaker #8 - Circuit short to battery
- DTC B1A08-13: Speaker #8 - Circuit open
- DTC B1A09-11: Speaker #9 - Circuit short to ground
- DTC B1A09-12: Speaker #9 - Circuit short to battery
- DTC B1A09-13: Speaker #9 - Circuit open
- DTC B1A10-11: Speaker #10 - Circuit short to ground
- DTC B1A10-12: Speaker #10 - Circuit short to battery
- DTC B1A10-13: Speaker #10 - Circuit open
- DTC B1A11-11: Speaker #11 - Circuit short to ground
- DTC B1A11-12: Speaker #11 - Circuit short to battery
- DTC B1A11-13: Speaker #11 - Circuit open
- DTC B1A12-11: Speaker #12 - Circuit short to ground
- DTC B1A12-12: Speaker #12 - Circuit short to battery
- DTC B1A12-13: Speaker #12 - Circuit open
- DTC B1A56-11: Antenna - Circuit short to ground
- DTC B1A56-12: Antenna - Circuit short to battery
- DTC B1A56-13: Antenna - Circuit open
- DTC B1A89-11: Satellite Antenna - Circuit short to ground
- DTC B1A89-13: Satellite Antenna - Circuit open
- DTC B1D55-11: Antenna #2 - Circuit short to ground
- DTC B1D55-12: Antenna #2 - Circuit short to battery
- DTC B1D55-13: Antenna #2 - Circuit open
- DTC B1D79-11: Microphone Input - Circuit short to ground
- DTC B1D79-12: Microphone Input - Circuit short to battery
- DTC B1D79-13: Microphone Input - Circuit open
- DTC B1D9F-11: Engine Speed Input - Circuit Short To Ground
- DTC B1D9F-12: Engine Speed Input - Circuit Short To Battery
- DTC B1D9F-13: Engine Speed Input - Circuit Open
- DTC C1001-31: Vision System Camera - No signal
- DTC U0001-87: High Speed CAN Communication Bus - Missing message
- DTC U0001-88: High Speed CAN Communication Bus - Bus off
- DTC U0186-87: Lost Communication With Audio Amplifier "A" - Missing message
- DTC U0186-92: Lost Communication With Audio Amplifier "A" - Performance or incorrect operation
- DTC U0300-00: Internal Control Module Software Incompatibility - No sub type information
- DTC U1A00-87: Private Communication Network - Missing Message
- DTC U1A00-88: Private Communication Network - Bus off
- DTC U2300-54: Central Configuration - Missing calibration
- DTC U2300-56: Central Configuration - Invalid/incomplete configuration
- DTC U2300-64: Central Configuration - Signal plausibility failure
- DTC U3000-43: Control Module - Special memory failure
- DTC U3003-1C: Battery Voltage - Circuit voltage out of range
- Description And Operation