This preliminary information communicates to all field technicians the imperative protocol that if any of...
Cadillac technical service bulletin PIP5952 for 2023 Cadillac Lyriq, 2024 Cadillac Redundant Lyriq and 2024 GMC Hummer EV SUV.
- Bulletin number
- PIP5952
- Component
- Electrical system
- Summary
- This preliminary information communicates to all field technicians the imperative protocol that if any of the listed codes are detected, currently or historically, the specified procedure must be strictly followed prior to the replacement of any A28B secondary contactor assembly. This advisory highlights that the presence of these codes could be indicative of a potential calibration anomaly. By following the outlined procedure, it is likely that the concern can be resolved without the necessity for additional parts.
Owners of these vehicles have filed 17 complaints in the electrical category.
Vehicles covered
- Cadillac Lyriq 2023 2023
- Cadillac Redundant Lyriq 2024 2024
- GMC Hummer EV SUV 2024 2024
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