RAM
08-282-26
Manufacturer communications
- Publication date
- 2026-07-17
- Received by NHTSA
- 2026-07-23
- NHTSA record numbers
- 11035182
Manufacturer summary
Original wording in English
Battery Pack Control Module (BPCM) Software Update Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) has been set:
• P1A29-00 - Cell Supervisory Circuit A Failure.
• U3017-00 - Control Module Timer/Clock Performance. Customers may also comment on one or more of the following:
• Vehicle in limp-home mode.
• Start/Stop feature will be disabled. This bulletin involves reprogramming the BPCM with the latest available software.
• P1A29-00 - Cell Supervisory Circuit A Failure.
• U3017-00 - Control Module Timer/Clock Performance. Customers may also comment on one or more of the following:
• Vehicle in limp-home mode.
• Start/Stop feature will be disabled. This bulletin involves reprogramming the BPCM with the latest available software.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Ram
P1A29-00Cell Supervisory Circuit A FailureRam
U3017-00Control Module Timer/Clock PerformanceCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ram | 1500 | 2026 |