XC90 AWD L6-2.9L Turbo VIN 91 B6294T (2004)
Checking components and wiring
Disconnect the audio/carphone switch by disconnecting the lower connector on the audio/carphone switch
Activate the buttons. Read off the status of the buttons in the cruise control switch
If the readings give a correct result, the fault is in the audio/carphone switch.
To access the audio/carphone switch, see Keypad steering wheel, replacing, TF-80SC AWD, AW50/51 AWD, M66 AWD See: Accessories and
Optional Equipment/Sensors and Switches - Accessories and Optional Equipment/Steering Mounted Controls Assembly/Service and
Repair/Keypad Steering Wheel, Replacing.
Was the status of the cruise control switch OK?
Yes - Troubleshooting procedure complete
No - Checking components and wiring