Home17-NA-219 · CHEVROLET, GMC
CHEVROLET, GMC

17-NA-219

Manufacturer communications

Publication date
2017-10-01
Received by NHTSA
2021-04-14
NHTSA record numbers
10190267

Manufacturer summary

Original wording in English

Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC P249D, P249E, U029D, U029E Set Some customers may comment that the MIL is illuminated. The technician may find one or more of the following DTCs set:
• U029D
• U029E
• P249D
• P249E Note: The graphic above depicts an example of a torn and missing seal.
• Moisture intrusion past a damaged (1) seal located in the connector for the NOx sensor wiring harness.
• Missing (2) seal located in the connector for the NOx sensor wiring harness. Correction If you encounter a vehicle with the above concern, perform normal diagnostics for the codes set. ⇒ If diagnostics lead to NOx sensor replacement, inspect the mating chassis electrical connector for corrosion. Clean and repair as necessary.

NHTSA manufacturer communications ↗

Reported code forms

P249DP249EU029DU029E

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
ChevroletCOLORADO2018
ChevroletCOLORADO2017
ChevroletCOLORADO2016
ChevroletEXPRESS2018
ChevroletEXPRESS2017
ChevroletSILVERADO 15002018
ChevroletSILVERADO 15002017
ChevroletSILVERADO 25002018
ChevroletSILVERADO 25002017
ChevroletSILVERADO 35002018
ChevroletSILVERADO 35002017
GMCCANYON2018
GMCCANYON2017
GMCCANYON2016
GMCSAVANA2018
GMCSAVANA2017
GMCSAVANNA2018
GMCSIERRA 15002018
GMCSIERRA 15002017
GMCSIERRA 25002018
GMCSIERRA 25002017
GMCSIERRA 35002018
GMCSIERRA 35002017
GMCSIERRA DENALI2018
GMCSIERRA DENALI2017

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