TechnicianVision · Knowledge base
What’s In A Steering Column: Multiple Controls
I-CAR · October 17, 2019
Summary
This article highlights the evolution of steering columns into highly complex, computer-controlled assemblies housing advanced driver assistance systems (ADAS) controls, airbags, and multiple user interfaces. It emphasizes that collision impacts can cause both visible and hidden damage to these integrated components, requiring diagnostic scans to identify diagnostic trouble codes (DTCs).
What to do on the job
Perform a diagnostic scan to check for DTCs and verify the proper operation of all steering wheel and steering column controls during the repair process.
How to use it
Use this document to justify the necessity of pre- and post-repair scanning when a collision involves steering column or steering wheel area impacts, even if no physical damage is visually apparent. It helps defend the labor time required to thoroughly test and diagnose complex steering wheel controls, paddle shifters, and integrated ADAS switches.
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