GMC TSB #20NA015

2020 GMC Terrain

TSB Document:

Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Summary
This technical bulletin is providing a procedure to reprogram the ECM to correct a condition of Runs Rough Cold or Stall Condition Upon Cold Start and/or DTC U18A2 Set (Mexico Only) due to software concerns.

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Date Published
JAN 23, 2020
NHTSA TSB #
10172284
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