Service bulletin 08-108-26

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	11030118
Published by NHTSA	2026-03-18
Manufacturer's number	08-108-26
Manufacturer's date	2026-03-10
NHTSA component	ELECTRICAL SYSTEM

NHTSA's summary

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.** ● P0A44 - Drive Motor A Position Sensor 1 Circuit Overspeed. ● U0111-00 - Lost Communication With Battery Energy Control Module (BPCM). ● P1625-00 - Park Pawl System Failure. ● U0412-00 - Invalid Data Received From Battery Energy Control Module-A. ● P215B-00 - Vehicle Speed Output Shaft Speed Correlation. ● P079A-00 - Transmission Friction Element 1 Slip Detected. ● P079B-00 - Transmission Friction Element 2 Slip Detected. ● P084F-00 - Park-Neutral Switch Output 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. ● Service Charging System and Traction Battery Cutoff warning messages appear during a key cycle event at -7° C (+20°F). ● Vehicle will force to Park when keyed off in Neutral if the door is open during wake-up procedure and remains open or within 2 minutes of door closure ● Loss of power steering assist when ignition push-button is pressed by driver after a Remote Start. ● Unusual battery drain when DTC, P084F-00 - Park-Neutral Switch Output is set. This software release includes the following software enhancements: ● Cor

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Trouble codes named

P079A, P079B, P084F, P0A44, P0E15, P1625, P215B, P29BB, U0111, U0412

Vehicles listed
CHRYSLER PACIFICA PLUG-IN HYBRID	2019 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
2023008	2023-01-18. Electrical
23V010000	2023-01-17. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; HYBRID PROPULSION SYSTEM: INVERTER
2020254	2020-06-10. Electrical
20V334000	2020-06-09. ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
19V348000	2019-05-09. ELECTRICAL SYSTEM:12V/24V/48V BATTERY
18V524000	2018-08-09. ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
S2621000006	2026-10-07. Service bulletin. Note: Document released 10/2/2026. Multiple Warning Indicators On In The IPC. ESM - PRNDL Flashing. And The Vehicle Will Not Shift Into Gear. The Wipers May Be On, With An Electric Parking Brake Unavailable.
9100900	2026-09-17. Service bulletin. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
9100860	2026-07-18. Service bulletin. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
S2623000046	2026-07-02. Service bulletin. Calibration Requirements For The Power Sliding Door Module (PSDM).
S2623000041 REV.A	2026-07-02. Service bulletin. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed. Rev A
S1623000028 Rev. K	2026-06-18. Service bulletin. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
9100835	2026-06-18. Service bulletin. Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
S2623000040	2026-06-16. Service bulletin. Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock.
S2623000041	2026-06-16. Service bulletin. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed.
08-108-26 REV. A	2026-06-03. Service bulletin. 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. ● P0A44 - Drive Motor A Position Sensor 1 Circuit Overspeed. ● U0111-00 - Lost Communication With Battery Energy Control Module (BPCM). ● P1625-00 - Park Pawl System Failure. ● U0412-00 - Invalid Data Received From Battery Energy Control Module-A. ● P215B-00 - Vehicle Speed Output Shaft Speed Correlation. ● P079A-00 - Transmission Friction Element 1 Slip Detected. ● P079B-00 - Transmission Friction Element 2 Slip Detected. ● P084F-00 - Park-Neutral Switch Output 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. ● Service Charging System and Traction Battery Cutoff warning messages appear during a key cycle event at -7° C (+20°F). ● Vehicle will force to Park when keyed off in Neutral if the door is open during wake-up procedure and remains open or within 2 minutes of door closure ● Loss of power steering assist when ignition push-button is pressed by driver after a Remote Start. ● Unusual battery drain when DTC, P084F-00 - Park-Neutral Switch Output is set. This software release includes the following software enhancements: ● Corrections to allow the vehicle to clear the permanent fault codes. ● 12V battery overcharged prevention. ● Corrected fuel consumption counter while in charge depleting This bulletin involves reprogramming the HCP and then the AHCP with the latest available software.