TSB Document:

Affected Component: STEERING:ELECTRIC POWER ASSIST SYSTEM

Summary
This Preliminary information communicates and issue with a Service Power Steering Message DTC C144B or Clunk Noise At Full Steering Lock Turns AFTER Installation Of Accessory Lift Kit.  GM Engineering is working on updated calibrations for the power steering control module to correct these issues.

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Date Published
DEC 07, 2018
NHTSA TSB #
10154569
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