CHRYSLER
08-079-26
Manufacturer communications
- Publication date
- 2026-02-25
- Received by NHTSA
- 2026-03-05
- NHTSA record numbers
- 11029744
Manufacturer summary
Original wording in English
Flash: Auxiliary Hybrid Control Processor (AHCP) / **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):
• P0E15-00 - Hybrid-EV Battery Pack Coolant Heater A Control Performance.
• P29BB-00 - Hybrid-EV Battery Pack Coolant Heater A Control Performance.
• P06E4 - Control Module Wake-Up Circuit Performance.
• P2797-00 - Auxiliary Transmission Fluid Pump Performance.
• P07B5-00 - Park Pawl Position Sensor 1 Circuit Performance.
• P177C-00 - Park Lock-Pawl Actuator Motor Current Sensor Performance.
• P288B-00 - Park Lock-Pawl Actuator Circuit Performance. Customers may also comment on one or more of the following:
• Vehicle does not start / engine does not crank.
• Extended engine cranking time when starting the vehicle.
• Engine turns on when requesting cabin heat to turn on.
• Loss of heat from the engine.**
• Technicians and/or customers may report the vehicle will not pass a state smog check due to permanent fault codes which will not clear. As a result, the vehicles are not eligible to be registered in certain states.
• Vehicle will not start when it is cold (-30°C / -22°F and below).
• Heard and/or felt bump when the gas engine turns on while driving. This software release includes the following software enhancement:
• Corrections to allow the vehicle to clear the permanent fault codes. , Special Tools and Policy sections, new LOP, updated Claims Data information and an updated Repair Procedure.
• P0E15-00 - Hybrid-EV Battery Pack Coolant Heater A Control Performance.
• P29BB-00 - Hybrid-EV Battery Pack Coolant Heater A Control Performance.
• P06E4 - Control Module Wake-Up Circuit Performance.
• P2797-00 - Auxiliary Transmission Fluid Pump Performance.
• P07B5-00 - Park Pawl Position Sensor 1 Circuit Performance.
• P177C-00 - Park Lock-Pawl Actuator Motor Current Sensor Performance.
• P288B-00 - Park Lock-Pawl Actuator Circuit Performance. Customers may also comment on one or more of the following:
• Vehicle does not start / engine does not crank.
• Extended engine cranking time when starting the vehicle.
• Engine turns on when requesting cabin heat to turn on.
• Loss of heat from the engine.**
• Technicians and/or customers may report the vehicle will not pass a state smog check due to permanent fault codes which will not clear. As a result, the vehicles are not eligible to be registered in certain states.
• Vehicle will not start when it is cold (-30°C / -22°F and below).
• Heard and/or felt bump when the gas engine turns on while driving. This software release includes the following software enhancement:
• Corrections to allow the vehicle to clear the permanent fault codes. , Special Tools and Policy sections, new LOP, updated Claims Data information and an updated Repair Procedure.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Chrysler
P06E4Control Module Wake-Up Circuit PerformanceChrysler
P07B5-00Park Pawl Position Sensor 1 Circuit PerformanceChrysler
P0E15-00Hybrid-EV Battery Pack Coolant Heater A Control PerformanceChrysler
P177C-00Park Lock-Pawl Actuator Motor Current Sensor PerformanceChrysler
P2797-00Auxiliary Transmission Fluid Pump PerformanceChrysler
P288B-00Park Lock-Pawl Actuator Circuit PerformanceChrysler
P29BB-00Hybrid-EV Battery Pack Coolant Heater A Control 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 |
|---|---|---|
| Chrysler | PACIFICA PLUG-IN HYBRID | 2017 |