RAM
18-037-26
Manufacturer communications
- Publication date
- 2026-03-07
- Received by NHTSA
- 2026-03-13
- NHTSA record numbers
- 11030014
Manufacturer summary
Original wording in English
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P208B-00 - Reductant Pump 1 Control Performance.
• P0128-00 - Thermostat Rationality. This bulletin involves reprogramming the PCM with the latest available software.
• P208B-00 - Reductant Pump 1 Control Performance.
• P0128-00 - Thermostat Rationality. This bulletin involves reprogramming the PCM 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
P208B-00Reductant Pump 1 Control PerformanceCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.