Diagnostic Trouble Code (DTC) Information

2007 Volvo XC90 AWD V8-4.4L VIN 85 B8444SSECTION Diagnostic Trouble Code (DTC) Information





Diagnostic trouble code (DTC) information ICM-1A51

Condition




The infotainment control module (ICM) checks the communication with the audio module (AUD).
Diagnostic trouble code (DTC) ICM-1A51 is stored in the infotainment control module (ICM) if it registers a fault in the communication with the audio module (AUD).
Diagnostic trouble code (DTC) ICM-1A51 can be detected when the ignition is on for at least 20 seconds and the battery voltage is > 11 V.

Substitute value
- None.

Possible source
- Internal fault in the audio module (AUD)
- No Audio module (AUD).

Fault symptom[s]
- Audio unit not operating.

RENDER: 1.0x

NO RELATED

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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.