The BCM senses the reference voltage above witch voltage that is above 16 volts.
Action Taken When the DTC Sets
The BCM will ignore the switch command.
Conditions for Clearing the DTC
- A current DTC clears when the malfunction is no longer present.
- A history DTC clears when the module ignition cycle counter reaches the reset threshold, without a repeat of the malfunction.
Diagnostic Aids
- This diagnostic is for the audio steering wheel controls.
- Before diagnosis of the steering wheel controls, ensure the primary controls of the associated component are functioning properly.
- Review schematic when testing switch resistance values.
- If a single switch function is inoperative, test the suspect switch. Refer to «Component Testing»(ref-275039-S38517281842007122600000) .
Schematic Reference
Steering Wheel Secondary/Configurable Control Schematics
Connector End View Reference
- «Secondary/Configurable Control Connector End Views»(ref-275039-S37983162662007122600000)
- «Data Communication Connector End Views»(ref-275015-S32045130292007122600000)
Description and Operation
Steering Wheel Controls Description and Operation