Information on Poor DEF Quality Message Displayed on Driver Information Center (DIC) and/or Malfunction Indicator Lamp (MIL) Illuminated – DTCs P249D, P249E – 2016-2021 Chevrolet Colorado & GMC Canyon

2020 Chevrolet Colorado

NHTSA ID Number: 10183136 Manufacturer Communication Number: 17NA134   Summary This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.   SEOCONTENT-START Service Bulletin Bulletin No.: 17-NA-134 Date: October, 2020 INFORMATION Subject: Information on Poor DEF Quality Message Displayed on Driver Information Center (DIC) and/or Malfunction Indicator Lamp (MIL) Illuminated – DTCs … Read more