WenmarOpen by Wenmar Pro

Service bulletins for the 2018 Chrysler Pacifica

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

491 on file from NHTSA, as of 2026-10-19.

About P288B on the 2018 Chrysler Pacifica: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: P288B are shown. Show all

Bulletins, newest first
08-107-26 REV. B2026-06-03. Service bulletin. ELECTRICAL SYSTEM. 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 Detection Circuit Performance (North America Only). ● P1C68-00 - Hybrid Perf Engine Speed Above Target Idle Speed During Autostop (APAC China Only). 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 This bulletin involves reprogramming the **HCP and then the AHCP** with the latest available software.
08-107-26 REV. A2026-04-22. Service bulletin. STRUCTURE:BODY. 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 America Only). ● P0D57-00 - Proximity Detection Circuit Performance (North America Only). ● P1C68-00 - Hybrid Perf Engine Speed Above Target Idle Speed During Autostop (APAC China Only). 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. This bulletin involves reprogramming the AHCP and then the HCP with the latest available software.
08-107-262026-03-18. Service bulletin. ELECTRICAL SYSTEM. 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 America Only). ● P0D57-00 - Proximity Detection Circuit Performance (North America Only). ● P1C68-00 - Hybrid Perf Engine Speed Above Target Idle Speed During Autostop (APAC China Only). 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, LOP and Policy sections, updated Claims Data statements, and an updated Repair Procedure.
08-010-212022-07-18. Service bulletin. POWER TRAIN; EXTERIOR LIGHTING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; BACK OVER PREVENTION. 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 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 Detection Circuit Performance(North America Only). P1C68-00 - Hybrid Perf Engine Speed Above Target Idle Speed During Autostop(APAC China Only). Customers may also comment: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. Three modules are required to be flashed for this update to be effective, the following modules are all to be updated along with this HCP&AHCP update:Powertrain Control Module (PCM) Electronic Brake Booster Module (EBBM). Anti-Lock Brake System Module (ABS).
08-010-212021-02-16. Service bulletin. POWER TRAIN; BACK OVER PREVENTION; EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. 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 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 Detection Circuit Performance(North America Only). P1C68-00 - Hybrid Perf Engine Speed Above Target Idle Speed During Autostop(APAC China Only). Customers may also comment: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. Three modules are required to be flashed for this update to be effective, the following modules are all to be updated along with this HCP&AHCP update:Powertrain Control Module (PCM) Electronic Brake Booster Module (EBBM). Anti-Lock Brake System Module (ABS).

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.