TechnicianVision · Knowledge base
What’s In A Steering Column: Heated Steering Wheel
I-CAR · October 11, 2019
Summary
This article highlights the complexity of modern steering columns, specifically focusing on heated steering wheel systems which consist of heating elements, control switches, temperature sensors, and control modules. It emphasizes that because these systems are computer-controlled and powered through the clock spring, collision damage or airbag deployment can cause hidden electrical issues that require diagnostic scanning.
What to do on the job
Perform a diagnostic scan to check for Diagnostic Trouble Codes (DTCs) related to the heated steering wheel system, especially after airbag deployments or steering column impacts.
How to use it
Use this document to justify the necessity of pre- and post-repair scanning on vehicles equipped with heated steering wheels, particularly when airbag deployment has occurred. It helps defend the labor time required to diagnose steering column electronics and clock spring damage.
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