RAM
1807214
Manufacturer communications
- Publication date
- 2014-12-11
- Received by NHTSA
- 2022-09-26
- NHTSA record numbers
- 10221063 · 10229895
Multiple filings of the same bulletin are grouped here; original record numbers remain available.
Manufacturer summary
Original wording in English
Flash: Compressed Natural Gas (CNG) Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following powertrain system improvements/enhancements are included in this software release. Software to prevent Malfunction Indicator Lamp (MIL) illumination with no defect found for Diagnostic Trouble Code (DTC) P0481 - Cooling Fan 2 Control Circuit/Open setting in the PCM. Harsh shift improvement when shifting from drive to reverse.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Ram
P0481Cooling Fan 2 Control Circuit/Open setting in the PCMCheck 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 | 2500 | 2014 |