PIC6529
Service Bulletin Details
Public Details for: PIC6529
This preliminary information communicates to the technician how to address hvac temperature door issues and associated service vehicle soon light. Summary: if concern is still present after loosening actuator and relearning then hvac case
Models from 2024
| 2024 CADILLAC LYRIQ |
| 2024 CHEVROLET BLAZER EV |
Models from 2023
| 2023 CADILLAC LYRIQ |
Bulletin No.: PIC6529 Published date: 11/15/2023 Preliminary Information PIC6529 Diagnostic Tips Hvac Temp Inaccurate Temp Doors Stuck Models Brand: Model: Model Years: VIN: from Engine: to Transmissions: Chevrolet Blazer EV 2024 All All All All Cadillac LYRIQ 2023 - 2024 All All All All Involved Region or Country North America Additional Options (RPO) Condition CJ7 CJ2 Condition 1 : codes set and MIL on B2B05 B2B06 B2B2C B2B2B B2B2D B2B28 B2B29 B2B2A with any or all of these codes may be set and service vehicle soon message with no temperature control issues Condition 2 Hvac Temperature stuck B2B05 B2B06 B2B2C B2B2B B2B2D B2B28 B2B29 B2B2A with any or all of these codes may be set and service vehicle soon message and Hvac temperature will not change. Correction: Correction 1: If no temperature performance or control issues then no further action is required at this time. Engineering is working on a resolution and a bulletin will be released when this is available. Correction 2: If performance and temperature control issues are present. example stuck on hot or cold etc... Loosen the a ected temperature blend door actuator screws approximately one turn. Perform Relearn on actuator. Tighten actuator screws snug but do not over tighten. If performance issues still occur with Temperature control and deliver replace HVAC case assembly. Version History Version Modi ed 1 11/15/2023 - Created on. © 2023 General Motors. All Rights Reserved.