P177C · Manufacturer communications

CHRYSLER · 2026-05-27

Flash: Hybrid Control Processor (HCP) / Auxiliary Hybrid Control Processor (AHCP) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0E15-00 - Hybrid-EV Battery Pack Coolant Heater A Control Performance. ● P07B5-00 - Park Pawl Position Sensor 1 Circuit Performance. ● P177C-00 - Park Lock-Pawl Actuator Motor Current Sensor Performance. ● P0A46-00 - Drive Motor B Position Sensor 1 Circuit Range-Performance. ● P0A40-00 - Drive Motor A Position Sensor 1 Circuit Range-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…

CHRYSLER · 2026-05-27

Flash: Hybrid Control Processor (HCP) / Auxiliary Hybrid Control Processor (AHCP) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0E15-00 - 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. ● P0CF3-00 - Control Pilot Circuit Open (North America Only). ● P0CF4-00 - Control Pilot Circuit Performance (North America Only). ● P0D57-00 - Proximity…

CHRYSLER · 2026-05-27

Flash: Hybrid Control Processor (HCP) / Auxiliary Hybrid Control Processor (AHCP) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0E15-00 - 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…

CHRYSLER · 2026-04-14

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. ● P0CF3-00 - Control Pilot Circuit Open (North America Only). ● P0CF4-00 - Control Pilot Circuit Performance (North…

CHRYSLER · 2026-03-10

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.** ● P07B5-00 - Park Pawl Position Sensor 1 Circuit Performance. ● P177C-00 - Park Lock-Pawl Actuator Motor Current Sensor Performance. ● P0A46-00 - Drive Motor B Position Sensor 1 Circuit Range-Performance. ● P0A40-00 - Drive Motor A Position Sensor 1 Circuit Range-Performance. Customers may also comment on one or more of the following: ● **Vehicle does not start / engine does not crank. ● Extended engine…

CHRYSLER · 2026-03-10

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. ● P0CF3-00 - Control Pilot Circuit Open (North America Only). ● P0CF4-00 - Control Pilot Circuit…

CHRYSLER · 2026-02-25

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. ●…

CHRYSLER · 2022-05-28

Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) with the latest available software. 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. Customers may also 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: P1AF8-00 - MCPA Control Module Shutdown Performance. P1AFE-00 - MCPB Improper Shut Down.P1AF8-00&P1AFE-00 will now be set as a 1 trip failure instead…

CHRYSLER · 2022-05-28

Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) with the latest available software. 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. Customers may also 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: P1AF8-00 - MCPA Control Module Shutdown Performance. P1AFE-00 - MCPB Improper Shut Down.P1AF8-00&P1AFE-00 will now be set as a 1 trip failure instead…

CHRYSLER · 2021-01-16

Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) with the latest available software. 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.Customers may also 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:P06E4 - Control Module Wake-Up Circuit Performance. P2797-00 - Auxiliary Transmission Fluid Pump Performance. P07B5-00 - Park Pawl Position Sensor 1…

CHRYSLER · 2021-01-16

Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) with the latest available software. 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.Customers may also 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:P06E4 - Control Module Wake-Up Circuit Performance. P2797-00 - Auxiliary Transmission Fluid Pump Performance. P07B5-00 - Park Pawl Position Sensor 1…