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Service bulletin 18-093-20

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)
TypeService bulletin
NHTSA id10183064
Published by NHTSA2020-11-30
Manufacturer's number18-093-20
Manufacturer's date2020-10-01
NHTSA componentEQUIPMENT; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE; ELECTRICAL SYSTEM

NHTSA's summary

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM 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.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 PCM update:Electronic Brake Booster Module (EBBM). Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) or also known as Power Inverter Module (PIM).

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

Brakes, Electrical system, Equipment and accessories

Vehicles listed
CHRYSLER PACIFICA2020

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

Recalls for the same vehicles and component
26V3620002026-06-04. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
25V8760002025-12-17. EQUIPMENT ADAPTIVE/MOBILITY:WHEELCHAIR RESTRAINTS/SECUREMENT:LATCH/ANCHOR:
20230082023-01-18. Electrical
23V0100002023-01-17. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; HYBRID PROPULSION SYSTEM: INVERTER
20202542020-06-10. Electrical
20V3340002020-06-09. ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

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
S26210000062026-10-07. 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.
91009002026-09-17. Service bulletin. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
91008602026-07-18. Service bulletin. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
S26230000462026-07-02. Service bulletin. Calibration Requirements For The Power Sliding Door Module (PSDM).
S2623000041 REV.A2026-07-02. Service bulletin. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed. Rev A
S1623000028 Rev. K2026-06-18. Service bulletin. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
91008352026-06-18. Service bulletin. Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
S26230000402026-06-16. Service bulletin. Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock.
S26230000412026-06-16. Service bulletin. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed.
08-109-26 REV. A2026-06-03. 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. ● 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 when requesting cabin heat to turn on. ● Loss of heat from the engine. ● 12V battery overcharged prevention. ● Corrected fuel consumption counter while in charge depleting. ● Corrections to allow the vehicle to clear the permanent fault codes. ● 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. This bulletin involves reprogramming the **HCP and then the AHCP** with the latest available software.