Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
B1290-25PTS Sensor 3-Signal Shape/Waveform Failure
Manufacturer communications
6Original wording in English
RAM
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…
RAM
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…
RAM
Flash: Park Assist Module (PAM) Enhancement This bulletin involves updating the PAM software with the latest available software. Customers may experience an Electronic Vehicle Information Center (EVIC) message. These DTCs may be setting erroneously and this software enhancement will remove these DTCs. Upon further investigation …
RAM
Flash: Parktronic System (PTS) Module Updates This bulletin involves reprogramming the PTS module with the latest available software. Customers may experience an Electronic Vehicle Information Center (EVIC) message. These DTCs may be setting erroneously and this software enhancement will remove these DTCs. Upon further investiga…
Check vehicle applicability
26A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Chrysler | TOWN AND COUNTRY ↗ | 2017 |
| Dodge | JOURNEY ↗ | 2017 |
| Jeep | GRAND CHEROKEE ↗ | 2014 |
| Ram | 1500 ↗ | 2020 |
| Ram | 1500 ↗ | 2019 |
| Ram | 1500 ↗ | 2017 |
| Ram | 1500 ↗ | 2016 |
| Ram | 1500 ↗ | 2015 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Servo Motor Potentiometer Airintake Right Circuit Short To Battery
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.