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Chevrolet TSB #GCUS-3-753
2016 Chevrolet Express
TSB Document:
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- 16109 Service Update. Certain non-emergency cutaway vehicles received the emergency vehicle engine control module (ECM) calibration under bulletin 15801. That calibration modifies certain features and functions of the emissions control system and was not released for non-emergency vehicles. Dealers are to reprogram the ECM with a new calibration to restore the modified features and functions of the emissions control system.
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