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Service bulletins for the 2015 Chevrolet Colorado

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1826 on file from NHTSA, as of 2026-10-19.

About C056D on the 2015 Chevrolet Colorado: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: C056D are shown. Show all

Bulletins, newest first
PIT5437A2018-01-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have Service Power Steering message on the Driver Information Center. If Diagnostic Trouble Code C056D is stored a Service Programming System update to the Power Steering Control Module will fix the concern. If Diagnostic Trouble Code C0545 is stored replacement of the power steering gear assembly will fix the concern.
PIT5437B2017-08-15. Service bulletin. POWER TRAIN; STEERING. This Preliminary Information communication provides information to the technician about vehicles that have Service Power Steering message on the Driver Information Center. If Diagnostic Trouble Code C056D is stored a Service Programming System update to the Power Steering Control Module will fix the concern. If Diagnostic Trouble Code C0545 is stored replacement of the power steering gear assembly will fix the concern.
PIT54372017-08-15. Service bulletin. ELECTRICAL SYSTEM; STEERING. This Preliminary Information communication provides information to the technician on the steps to repair vehicles that may have a Service Power Steering message on the Driver Information Center or Diagnostic Trouble Code C056D stored in the Power Steering Control Module. Technician will reprogram the Power Steering Control Module using Service Programming System. If code Diagnostic Trouble Code C0545 is stored technician will need to General Motors Technical Assistance Center for further assistance.
PIT5437C2017-03-23. Service bulletin. STEERING. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO REPAIR VEHICLES THAT MAY HAVE A SERVICE POWER STEERING MESSAGE ON THE DRIVER INFORMATION CENTER OR DIAGNOSTIC TROUBLE CODE C056D STORED IN THE POWER STEERING CONTROL MODULE. TECHNICIAN WILL REPROGRAM THE POWER STEERING CONTROL MODULE USING SERVICE PROGRAMMING SYSTEM.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.