Diagnostic Aids

2018 Buick Regal BaseSECTION Diagnostic Aids

The Electric Power Steering Control Module is part of the power steering assist motor assembly and is electronically paired with the steering gear's sensors.

If communication with the OLD power steering control module cannot be established, then replace the entire steering gear as an assembly. Do NOT proceed with replacement of just the power steering assist motor. Refer to Electric Dual Pinion Rack and Pinion Steering Gear Replacement

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.