RAM
08-025-23
Manufacturer communications
- Publication date
- 2023-01-26
- Received by NHTSA
- 2023-02-13
- NHTSA record numbers
- 10231802
Manufacturer summary
Original wording in English
Flash: Hybrid Control Processor (HCP) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P1C64 - Hybrid Perf Engine Speed Below Target During Autostart. U0402 - Implausible Data Received From TCM. Customers may also comment on one or more of the following: During an Engine Stop/Start (ESS) event, the autostart fails and the AutoPark engages. Transmission is in Limp Mode. This bulletin involves updating the HCP 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
P1C64Hybrid Perf Engine Speed Below Target During AutostartRam
U0402Implausible Data Received From TCMCheck 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 | 2022 |