RAM
08-240-25
Manufacturer communications
- Publication date
- 2025-08-06
- Received by NHTSA
- 2025-08-13
- NHTSA record numbers
- 11021824
Manufacturer summary
Original wording in English
Flash: Park Assist Module (PAM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• B128E-25 - PTS Sensor 1-Signal Shape/Waveform Failure.
• B128F-25 - PTS Sensor 2-Signal Shape/Waveform Failure.
• B1290-25 - PTS Sensor 3-Signal Shape/Waveform Failure.
• B1291-25 - PTS Sensor 4-Signal Shape/Waveform Failure.
• B1292-25 - PTS Sensor 5-Signal Shape/Waveform Failure.
• B1293-25 - PTS Sensor 6-Signal Shape/Waveform Failure.
• B1295-25 - PTS Sensor 8-Signal Shape/Waveform Failure.
• B1296-25 - PTS Sensor 9-Signal Shape/Waveform Failure.
• B1297-25 - PTS Sensor 10-Signal Shape/Waveform Failure.
• B1298-25 - PTS Sensor 11-Signal Shape/Waveform Failure.
• B1299-25 - PTS Sensor 12-Signal Shape/Waveform Failure. **Customers must also experience one or more of the following:**
• **Park Assist is inoperative.**
• False braking alerts while backing up when there’s nothing behind the vehicle.
• When backing up, the park assist feature will apply the brakes when no object is behind the vehicle. This bulletin involves updating the PAM module with the latest available software.
• B128E-25 - PTS Sensor 1-Signal Shape/Waveform Failure.
• B128F-25 - PTS Sensor 2-Signal Shape/Waveform Failure.
• B1290-25 - PTS Sensor 3-Signal Shape/Waveform Failure.
• B1291-25 - PTS Sensor 4-Signal Shape/Waveform Failure.
• B1292-25 - PTS Sensor 5-Signal Shape/Waveform Failure.
• B1293-25 - PTS Sensor 6-Signal Shape/Waveform Failure.
• B1295-25 - PTS Sensor 8-Signal Shape/Waveform Failure.
• B1296-25 - PTS Sensor 9-Signal Shape/Waveform Failure.
• B1297-25 - PTS Sensor 10-Signal Shape/Waveform Failure.
• B1298-25 - PTS Sensor 11-Signal Shape/Waveform Failure.
• B1299-25 - PTS Sensor 12-Signal Shape/Waveform Failure. **Customers must also experience one or more of the following:**
• **Park Assist is inoperative.**
• False braking alerts while backing up when there’s nothing behind the vehicle.
• When backing up, the park assist feature will apply the brakes when no object is behind the vehicle. This bulletin involves updating the PAM module 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
B128E-25PTS Sensor 1-Signal Shape/Waveform FailureRam
B128F-25PTS Sensor 2-Signal Shape/Waveform FailureRam
B1290-25PTS Sensor 3-Signal Shape/Waveform FailureRam
B1291-25PTS Sensor 4-Signal Shape/Waveform FailureRam
B1292-25PTS Sensor 5-Signal Shape/Waveform FailureRam
B1293-25PTS Sensor 6-Signal Shape/Waveform FailureRam
B1295-25PTS Sensor 8-Signal Shape/Waveform FailureRam
B1296-25PTS Sensor 9-Signal Shape/Waveform FailureRam
B1297-25PTS Sensor 10-Signal Shape/Waveform FailureRam
B1298-25PTS Sensor 11-Signal Shape/Waveform FailureRam
B1299-25PTS Sensor 12-Signal Shape/Waveform FailureCheck 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 | 2019 |