CADILLAC, CHEVROLET, GMC
16-NA-177
Manufacturer communications
- Publication date
- 2017-02-22
- Received by NHTSA
- 2017-08-31
- NHTSA record numbers
- 10116601
Manufacturer summary
Original wording in English
This informational bulletin explains DTC U0121 sets due to a software anomaly and does not turn the MIL on or change performance of the vehicle.
Reported code forms
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