Faulty Signal

2007 Volvo XC90 AWD V8-4.4L VIN 85 B8444SSECTION Faulty Signal





Faulty signal

Checking the wiring and component
Check the connections between the right-hand keypad and the infotainment control module (ICM). Check for contact resistance and oxidation. Check for loose connections. Check for damage in particular.
Visually check the cable between the keypad and the control module for damage.
If no faults were found, try a new keypad.
Remedy as necessary.

Other information:
- To replace the right-hand keypad, see Infotainment control module (ICM), replacing Infotainment Control Module (ICM), Replacing





Continue - Verification

-------------------------------------------------

Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reinstall the connectors, components etc.
- Ignition on.
Activate the immobilizer control module (ICM) and turn the SELECTOR knob.
Check that the sound source changes with the clockwise and counter-clockwise movement.

Is the function OK?

Yes - Troubleshooting procedure complete

No - Fault-tracing information

-------------------------------------------------

Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit Fault-tracing

No - Attempt New Test

------------------------

Attempt New Test - Checking the wiring and component

-------------------------------------------------

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.