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TSB Document:
  • Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 17337-17419.

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

Summary
General Motors released Emission Recall 17337 and Service Update 17419 on November 1, 2017. After their release, a change occurred in Tis2Web that affects the involved 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles. This change prevents programming of the engine control module (ECM) and transmission control module (TCM) separately. Tis2Web now requires the ECM and TCM in these full-size trucks to be programmed sequentially. Consequently, dealers are confused and asking for guidance relative to labor code submission requirements. Again, the Tis2Web change only affects the involved 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles

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Date Published
NOV 09, 2017
NHTSA TSB #
10191056
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