Hummer EV Service Driver Assist Message With DTC: B2BA1 Set In The K179 Automated Map Module (PIT6152A)
Publication date: 2024-05-23Reference number: PIT6152A
Supersedes refnos: PIT6152
HUMMER EV SERVICE DRIVER ASSIST MESSAGE WITH DTC: B2BA1 SET IN THE K179 AUTOMATED MAP MODULE
TECHNICAL SERVICE BULLETIN
Reference Number(s): PIT6152A, Date of Issue:
May 23, 2024
SERVICE INFORMATION
| Brand: | Model: | Model Year: | VIN: | Engine: | Transmission: | ||
|---|---|---|---|---|---|---|---|
| from | to | from | to | ||||
| GMC | HUMMER EV | 2022-2023 | All | All | All | All | |
| Involved Region or Country | North America |
| Additional Options (RPO) | UKL Super Cruise |
| Condition | Some customers may comment that a "Service Driver's Assist" message (SDA) displays in the cluster over a key cycle. Technicians may also see that a DTC: B2BA1 is set current in the K179 Map Module but the customer may notice that super cruise still engages. |
| Cause | Software anomaly that is setting the B2BA1 that generates an SDA message. |
CORRECTION
GM engineering has released software to address this concern which is part of a newly released software package. Please perform the latest version of PIT6065 to resolve the concern.
SERVICE INFORMATION
| Version | 2 |
| Modified | 04/18/2024 - Created. Updated PI to point the software fix to PIT6065 as part of a software package |