RAM
18-103-22
Manufacturer communications
- Publication date
- 2022-05-25
- Received by NHTSA
- 2022-06-27
- NHTSA record numbers
- 10214637
Manufacturer summary
Original wording in English
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set:P0556 - Brake Booster Pressure Sensor Circuit Performance. Customer may describe the following:Fuel odor during frequent stop and re-start driving, during high ambient temps.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Ram
P0556Brake Booster Pressure Sensor Circuit 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 | PROMASTER | 2018 |