Engine Wire Harness Chafing / IPC Gauges Sweep / IPC Warning Message / SES/Check Engine/MIL / No Start / No Crank / Runs Rough / Stalls / Reduced Engine Power / Various DTCs – 2019-2021 Cadillac Chevrolet GMC

2020 Chevrolet Silverado 1500

NHTSA ID Number: 10224856 Manufacturer Communication Number: 21-NA-149 Summary This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.   Condition 1 This Condition pertains to vehicles equipped with engine 2.7L, L3B only. Some customers may comment on any of the following concerns: – SES MIL – No Start – No … Read more

Malfunction Indicator Lamp (MIL) Illuminated – DTC P0421, P0422, P0480, P119E, P11D0, P11DB, P11DC, P11FC, P20EE, P220B, P22A0, P22A2, P22A3 and/or P24A0 Set – 2020 Chevrolet Silverado & GMC Sierra 2500HD/ 3500HD

2020 Chevrolet Silverado

NHTSA ID Number: 10183197 Manufacturer Communication Number: 20NA195 Summary This technical bulletin provides a procedure to replace the NOx2 sensor if found the cause of the customers concern.   Parts Information Causal Part Description Part Number Qty X SENSOR, NOX (POSN 2) 12695882 1     SEOCONTENT-START – 2020 – CRC – 10/26/20 Copyright 2020 General Motors … Read more

Instrument Panel Cluster (IPC) Warning Lamps And / Or MIL Are Illuminated Diesel Exhaust Fluid (DEF) Message Displayed Various DTCs Set (Inspect Wiring Harnesses for Chafing) – 2016-2021 Chevrolet Colorado & GMC Canyon

2018 Chevrolet Colorado

NHTSA ID Number: 10184101 Manufacturer Communication Number: PIP5416D   Summary This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. If you encounter any of these specific described chafes, inspect, repair (as necessary) and route the wiring harness away from … Read more