Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Audio Module (AUD), High Level Display Front (HLDF), Parking Assist Camera (PAC) Diagnostic Trouble Codes
2009 Volvo XC70 BaseSECTION Audio Module (AUD), High Level Display Front (HLDF), Parking Assist Camera (PAC) Diagnostic Trouble Codes
- HLDF-B100E29 Video Input "A". General Signal Failures. Signal Invalid (2008-2011)
- HLDF-B100F29 Video Input "B". General Signal Failures. Signal Invalid (2008-2011)
- HLDF-B101029 Video Input "C". General Signal Failures. Signal Invalid (2008-2011)
- HLDF-B117018 Back Light. General Electrical Failures. Circuit Current Below Threshold (2008-2011)
- HLDF-B118002 Display Raise. General Failure Information. General Signal Failure (2008-2011)
- HLDF-B118102 Display Lower. General Failure Information. General Signal Failure (2008-2011)
- HLDF-U001000 Medium Speed Can Communication Bus. General Failure Information. No Sub Type Information (2008-2011)
- HLDF-U014000 Lost Communication With Central Electronic Module. General Failure Information. No Sub Type Information (2008-2011)
- HLDF-U015600 Lost Communication With Infotainment Control Module. General Failure Information. No Sub Type Information (2008-2011)
- HLDF-U030000 Internal Control Module Software Incompatibility. General Failure Information. No Sub Type Information (2008-2011)
- HLDF-U042268 Invalid Data Received From Central Electronic Module. Algorithm Based Failures. Event Information (2008-2011)
- HLDF-U045768 Invalid Data Received From Infotainment Control Module. Algorithm Based Failures. Event Information (2008-2011)
- HLDF-U201604 Control Module Main Software. General Failure Information. System Internal Failures (2008-2011)
- HLDF-U210A29 Temperature Sensor. General Signal Failures. Signal Invalid (2008-2011)
- HLDF-U300044 Control Module. System Internal Failures. Data Memory Failure (2008-2011)
- HLDF-U300045 Control Module. System Internal Failures. System Programming Failures (2008-2011)
- HLDF-U300046 Control Module. System Internal Failures. Calibration / Parameter Memory Failure (2008-2011)
- HLDF-U300055 Control Module. System Programming Failures. Not Configured (2008-2011)
- HLDF-U300098 Control Module. Component Failures. Component Or System Over Temperature (2008-2011)
- HLDF-U300362 Battery Voltage. Algorithm Based Failures. Signal Compare Failure (2008-2011)
- PAC-B100E81 Video Input "A". Bus Signal / Message Failures. Invalid Serial Data Received (2008-2012)
- PAC-B100E87 Video Input "A". Bus Signal / Message Failures. Missing Message (2008-2012)
- PAC-B108783: Lin Bus A. Bus Signal / Message Failures. Value Of Signal Protection Calculation Incorrect (2008-2012)
- PAC-B108786: Lin Bus A. Bus Signal / Message Failures. Signal Invalid (2008-2012)
- PAC-B108788: Lin Bus A. Bus Signal / Message Failures. Bus Off (2008-2012)
- PAC-B11838F: Video Encoder. Bus Signal / Message Failures. Erratic (2008-2012)
- PAC-B1A8464 Car Configuration Data. Algorithm Based Failures. Signal Plausibility Failure (2008-2012)
- PAC-U001000: Medium Speed Can Communication Bus. General Failure Information. No Sub Type Information (2008-2012)
- PAC-U010100: Lost Communication With Transmission Control Module. General Failure Information. No Sub Type Information (2008-2012)
- PAC-U012600: Lost Communication With Steering Angle Sensor Module. General Failure Information. No Sub Type Information (2008-2012)
- PAC-U012900: Lost Communication With Brake System Control Module. General Failure Information. No Sub Type Information (2008-2012)
- PAC-U014000: Lost Communication With Central Electronic Module. General Failure Information. No Sub Type Information (2008-2012)
- PAC-U015600: Lost Communication With Infotainment Control Module. General Failure Information. No Sub Type Information (2008-2012)
- PAC-U030000: Internal Control Module Software Incompatibility. General Failure Information. No Sub Type Information (2008-2012)
- PAC-U040268: Invalid Data Received From Transmission Control Module. Algorithm Based Failures. Event Information (2008-2012)
- PAC-U041568: Invalid Data Received From Brake Control Module. Algorithm Based Failures. Event Information (2008-2012)
- PAC-U042268: Invalid Data Received From Central Electronic Module. Algorithm Based Failures. Event Information (2008-2012)
- PAC-U200D11 Control Module Output Power A. General Electrical Failures. Circuit Short To Ground (2008-2012)
- PAC-U200D12 Control Module Output Power A. General Electrical Failures. Circuit Short To Battery (2008-2012)
- PAC-U210100: Control Module Configuration Incompatible. General Failure Information. No Sub Type Information (2008-2012)
- PAC-U300083: Control Module. Bus Signal / Message Failures. Value Of Signal Protection Calculation Incorrect (2008-2012)
- PAC-U30008F: Control Module. Bus Signal / Message Failures. Erratic (2008-2012)
- PAC-U300362: Battery Voltage. Algorithm Based Failures. Signal Compare Failure (2008-2012)
- AUD-B1A0111 Speaker #1. General Electrical Failures. Circuit Short To Ground (2008-2011)
- AUD-B1A0111 Speaker #1. General Electrical Failures. Circuit Short To Ground (2012)
- AUD-B1A0112 Speaker #1. General Electrical Failures. Circuit Short To Battery (2008-2011)
- AUD-B1A0112 Speaker #1. General Electrical Failures. Circuit Short To Battery (2012)
- AUD-B1A0113 Speaker #1. General Electrical Failures. Circuit Open (2008-2011)
- AUD-B1A0113 Speaker #1. General Electrical Failures. Circuit Open (2012)
- AUD-B1A011A Speaker #1. General Electrical Failures. Circuit Resistance Below Threshold (2008-2011)
- AUD-B1A011A Speaker #1. General Electrical Failures. Circuit Resistance Below Threshold (2012)
- AUD-B1A011F Speaker #1. General Electrical Failures. Circuit Intermittent (2012)
- AUD-B1A0149 Speaker #1. System Internal Failures. Internal Electronic Failure (2012)
- AUD-B1A0149 Speaker #1. System Internal Failures. Internal Electronic Failure (2008-2011)
- AUD-B1A0211 Speaker #2. General Electrical Failures. Circuit Short To Ground (2012)
- AUD-B1A0211 Speaker #2. General Electrical Failures. Circuit Short To Ground (2008-2011)
- AUD-B1A0212 Speaker #2. General Electrical Failures. Circuit Short To Battery (2008-2011)
- AUD-B1A0212 Speaker #2. General Electrical Failures. Circuit Short To Battery (2012)
- AUD-B1A0213 Speaker #2. General Electrical Failures. Circuit Open (2012)
- AUD-B1A0213 Speaker #2. General Electrical Failures. Circuit Open (2008-2011)
- AUD-B1A021A Speaker #2. General Electrical Failures. Circuit Resistance Below Threshold (2008-2011)
- AUD-B1A021A Speaker #2. General Electrical Failures. Circuit Resistance Below Threshold (2012)
- AUD-B1A021F Speaker #2. General Electrical Failures. Circuit Intermittent (2012)
- AUD-B1A0249 Speaker #2. System Internal Failures. Internal Electronic Failure (2008-2011)
- AUD-B1A0249 Speaker #2. System Internal Failures. Internal Electronic Failure (2012)
- AUD-B1A0311 Speaker #3. General Electrical Failures. Circuit Short To Ground (2008-2011)
- AUD-B1A0311 Speaker #3. General Electrical Failures. Circuit Short To Ground (2012)
- AUD-B1A0312 Speaker #3. General Electrical Failures. Circuit Short To Battery (2012)
- AUD-B1A0312 Speaker #3. General Electrical Failures. Circuit Short To Battery (2008-2011)
- AUD-B1A0313 Speaker #3. General Electrical Failures. Circuit Open (2008-2011)
- AUD-B1A0313 Speaker #3. General Electrical Failures. Circuit Open (2012)
- AUD-B1A031A Speaker #3. General Electrical Failures. Circuit Resistance Below Threshold (2008-2011)
- AUD-B1A031A Speaker #3. General Electrical Failures. Circuit Resistance Below Threshold (2012)
- AUD-B1A031F Speaker #3. General Electrical Failures. Circuit Intermittent (2012)
- AUD-B1A0349 Speaker #3. System Internal Failures. Internal Electronic Failure (2008-2011)
- AUD-B1A0349 Speaker #3. System Internal Failures. Internal Electronic Failure (2012)
- AUD-B1A0411 Speaker #4. General Electrical Failures. Circuit Short To Ground (2012)
- AUD-B1A0411 Speaker #4. General Electrical Failures. Circuit Short To Ground (2008-2011)
- AUD-B1A0412 Speaker #4. General Electrical Failures. Circuit Short To Battery (2012)
- AUD-B1A0412 Speaker #4. General Electrical Failures. Circuit Short To Battery (2008-2011)
- AUD-B1A0413 Speaker #4. General Electrical Failures. Circuit Open (2008-2011)
- AUD-B1A0413 Speaker #4. General Electrical Failures. Circuit Open (2012)
- AUD-B1A041A Speaker #4. General Electrical Failures. Circuit Resistance Below Threshold (2008-2011)
- AUD-B1A041A Speaker #4. General Electrical Failures. Circuit Resistance Below Threshold (2012)
- AUD-B1A041F Speaker #4. General Electrical Failures. Circuit Intermittent (2012)
- AUD-B1A0449 Speaker #4. System Internal Failures. Internal Electronic Failure (2008-2011)
- AUD-B1A0449 Speaker #4. System Internal Failures. Internal Electronic Failure (2012)
- AUD-B1A0611 Speaker #6. General Electrical Failures. Circuit Short To Ground (2012)
- AUD-B1A0611 Speaker #6. General Electrical Failures. Circuit Short To Ground (2008-2011)
- AUD-B1A0612 Speaker #6. General Electrical Failures. Circuit Short To Battery (2012)
- AUD-B1A0613 Speaker #6. General Electrical Failures. Circuit Open (2008-2011)
- AUD-B1A0613 Speaker #6. General Electrical Failures. Circuit Open (2012)
- AUD-B1A061F Speaker #6. General Electrical Failures. Circuit Intermittent (2012)
- AUD-B1A0649 Speaker #6. System Internal Failures. Internal Electronic Failure (2012)
- AUD-B1A0711 Speaker #7. General Electrical Failures. Circuit Short To Ground (2012)
- AUD-B1A0712 Speaker #7. General Electrical Failures. Circuit Short To Battery (2012)
- AUD-B1A0713 Speaker #7. General Electrical Failures. Circuit Open (2012)
- AUD-B1A071F Speaker #7. General Electrical Failures. Circuit Intermittent (2012)
- AUD-B1A0749 Speaker #7. System Internal Failures. Internal Electronic Failure (2012)
- AUD-B1A0811 Speaker #8. General Electrical Failures. Circuit Short To Ground (2012)
- AUD-B1A0812 Speaker #8. General Electrical Failures. Circuit Short To Battery (2012)
- AUD-B1A0813 Speaker #8. General Electrical Failures. Circuit Open (2012)
- AUD-B1A081F Speaker #8. General Electrical Failures. Circuit Intermittent (2012)
- AUD-B1A0849 Speaker #8. System Internal Failures. Internal Electronic Failure (2012)
- AUD-B1A0911 Front Speaker. General Electrical Failures. Circuit Short To Ground (2008-2011)
- AUD-B1A1011 Rear Speaker. General Electrical Failures. Circuit Short To Ground (2008-2011)
- AUD-B1A1112 Speaker Outputs. General Electrical Failures. Circuit Short To Battery (2008-2011)
- AUD-B1D8411 Headphone Panel 1. General Electrical Failures. Circuit Short To Ground (2008-2011)
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.