Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Checking the Steering Wheel Module (SWM)






Checking the steering wheel module (SWM)

Fault-tracing information
Before continuing with fault-tracing, the following must be checked:
- All tests for the relevant symptom must have been carried out
- No component, connector or wiring faults etc. should have been detected.

Have all tests been carried out and no faults detected?

Yes - Replacing the component

No - No Fault Found

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Replacing the component
Try replacing the steering wheel module (SWM).

Caution! A new control module is delivered without software. The control module must be programmed in order to function after replacement.

Other information:
- To replace and program the steering wheel module (SWM), see Steering wheel module (SWM), replacing Service and Repair.





Was a fault detected?

Yes - Fault Found

No - No Fault Found

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