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XC90 AWD L6-2.9L Turbo VIN 91 B6294T (2004)

Relays and Modules > Relays and Modules - Steering and Suspension > Relays and Modules - Steering > Steering Mounted Controls Communication Module > Component Information > Testing and Inspection > Reading and Clearing Diagnostic Trouble Codes > Page 1191

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Ignition off

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Disconnect the RTI switch

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Ignition on.

Activate and read off the status of the buttons in the audio/carphone switch.
If the readings give a correct result, the fault is in the RTI switch.

Other information:

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To access the RTI 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 audio/carphone switch status OK?

Yes - Troubleshooting procedure complete

No - Checking components and wiring

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Relays and Modules > Relays and Modules - Steering and Suspension > Relays and Modules - Steering > Steering Mounted Controls Communication Module > Component Information > Testing and Inspection > Reading and Clearing Diagnostic Trouble Codes > Page 1191

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