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.
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HOMESERVICE MANUALSVOLVO2004V70 L5-2.4L VIN 64 B5244S6REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSAUM CODES (AUDIO MODULE)AUM-47FFINTERMITTENT FAULTNOT CONNECTED OR COMMUNICATION PROBLEMS. INTERMITTENT FAULT
2004 Volvo V70 L5-2.4L VIN 64 B5244S6
Not Connected or Communication Problems. Intermittent Fault
2004 Volvo V70 L5-2.4L VIN 64 B5244S6SECTION Not Connected or Communication Problems. Intermittent Fault
Not connected or communication problems. Intermittent fault
Checking contact resistance, oxidation and wiring
Check the amplifier and head unit / audio control module connectors for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults. Remedy if necessary.
Check the cable between the amplifier terminal #D6 and head unit / audio control module terminal #E6 for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Remedy as necessary.
Other information:
- Radio equipment, replacing Radio Equipment, Replacing
- Radio/telephone, changing Service and Repair
- Connecting the breakout box, Audio control module Connecting the Breakout Box, Audio Control Module
- Signal specification, audio control module Signal Specification
Continue - DONE
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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.