NHTSA Service Bulletin 11033326: 2018 Chrysler Pacifica Plug-in Hybrid
Official manufacturer communication context for 2018 Chrysler Pacifica Plug-in Hybrid, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.
Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.
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 (-30C / -22F 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.
What this bulletin may mean before buying
Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.
Affected products listed in this communication
Buyer checklist
- Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
- Check recall campaign pages for safety actions that may require dealer repair.
- Compare this bulletin with common problem pages for the same model and component area.
- Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
- Use the used-car buying checklist and get an independent inspection.
Frequently asked questions
What is NHTSA service bulletin 11033326?
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.
Is a service bulletin the same as a recall?
No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.
How should a used-car buyer use this bulletin?
Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.
Check the exact VIN before you buy
Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.
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