Identifying Non-GM ECM Calibration Use and Power-up Hardware Detection in 2.8 Duramax Diesel Engines Using GDS 2 – 2016-2021 Chevrolet & GMC

2021 Chevrolet Colorado

NHTSA ID Number: 10183128 Manufacturer Communication Number: 16NA325   Summary This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed.   SEOCONTENT-START Service Bulletin Bulletin No.: 16-NA-325 Date: October, 2020 TECHNICAL Subject: Identifying Non-GM ECM Calibration Use … Read more