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 CHARTSAEM CODES (ACCESSORY ELECTRONIC MODULE)AEM-7A10DIAGNOSTIC 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
Condition
Diagnostic trouble code (DTC) AEM-7A10 is stored if the control module registers that the signal is too low or there is an open-circuit in the signal cable (carphone mute) for the radio.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is on and the signal cable (carphone mute) is not activated.
Substitute value
- None.
Possible source
- Short-circuit to ground in the signal cable (carphone mute) for the radio
- Open-circuit in the signal cable (carphone mute) for the radio
- Defective radio.
Fault symptom[s]
- Carphone mute on the radio does not function.
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.