RAM
08-283-26
Manufacturer communications
- Publication date
- 2026-07-17
- Received by NHTSA
- 2026-07-23
- NHTSA record numbers
- 11035167
Manufacturer summary
Original wording in English
Not applicable to vehicles built for US market. Battery Pack Control Module (BPCM) Software Update Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: 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.**
• P0E55-00 - DC/DC Converter Current Sensor Circuit "A" Intermittent/erratic. Customers may also experience one or more of the following:
• **Vehicle in limp-home mode.
• Start/Stop feature will be disabled.**
• The 12-volt battery is not charging properly.
• The battery charge stays low or dies quickly, even after driving.
• The vehicle had to be towed due to battery not charging.
• **P1A29-00 - Cell Supervisory Circuit A Failure.
• U3017-00 - Control Module Timer/Clock Performance.**
• P0E55-00 - DC/DC Converter Current Sensor Circuit "A" Intermittent/erratic. Customers may also experience one or more of the following:
• **Vehicle in limp-home mode.
• Start/Stop feature will be disabled.**
• The 12-volt battery is not charging properly.
• The battery charge stays low or dies quickly, even after driving.
• The vehicle had to be towed due to battery not charging.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Ram
P0E55-00DC/DC Converter Current Sensor Circuit "A" Intermittent/erraticRam
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 | 2025 |