CADILLAC, GMC
16-NA-177
Manufacturer communications
- Publication date
- 2016-11-18
- Received by NHTSA
- 2018-05-21
- NHTSA record numbers
- 10137957
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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