Home20NA123 · BUICK, CADILLAC, CHEVROLET, GMC
BUICK, CADILLAC, CHEVROLET, GMC

20NA123

Manufacturer communications

Publication date
2021-03-08
Received by NHTSA
2021-05-03
NHTSA record numbers
10191205

Manufacturer summary

Original wording in English

This service bulletin provides repair information to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated with DTCs U1961, U1983 setting.

NHTSA manufacturer communications ↗

Reported code forms

Check vehicle applicability

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

MakeModelModel year
BuickENVISION2021
CadillacCT42021
CadillacCT42020
CadillacCT52021
CadillacCT52020
CadillacESCALADE2020
CadillacESCALADE ESV2021
CadillacESCALADE ESV2020
CadillacESCALADE NA2021
ChevroletCORVETTE2021
ChevroletCORVETTE2020
ChevroletSUBURBAN2021
ChevroletSUBURBAN2020
ChevroletTAHOE2021
ChevroletTAHOE2020
GMCYUKON2021
GMCYUKON2020
GMCYUKON XL2021
GMCYUKON XL2020

Data coverage →