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 MANUALSVOLVO2007XC90 AWD V8-4.4L VIN 85 B8444SREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSICM CODES (INFOTAINMENT CONTROL MODULE)ICM-1A51DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION
2007 Volvo XC90 AWD V8-4.4L VIN 85 B8444S
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.