# Service bulletin 18\-002\-21 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. - Type: Service bulletin - NHTSA id: 10215946 - Published by NHTSA: 2022\-07\-18 - Manufacturer's number: 18\-002\-21 - Manufacturer's date: 2021\-01\-16 - NHTSA component: ELECTRICAL SYSTEM; POWER TRAIN ## 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. Four 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 \(EBBM\). Anti\-Lock Brake System Module \(ABS\). Hybrid Control Processor \(HCP\) and Auxiliary Hybrid Control Processor \(AHCP\) or also known as Power Inverter Module \(PIM\). ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10215946-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10215946-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Electrical system, Transmission and driveline ## Vehicles listed - 2017 CHRYSLER PACIFICA ## Recalls for the same vehicles and component - [2023008](/recalls/tc/2023008.md), 2023-01-18: Electrical - [23V010000](/recalls/nhtsa/23V010000.md), 2023-01-17: ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; HYBRID PROPULSION SYSTEM: INVERTER - [2020254](/recalls/tc/2020254.md), 2020-06-10: Electrical - [20V334000](/recalls/nhtsa/20V334000.md), 2020-06-09: ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES - [19V348000](/recalls/nhtsa/19V348000.md), 2019-05-09: ELECTRICAL SYSTEM:12V/24V/48V BATTERY - [18V524000](/recalls/nhtsa/18V524000.md), 2018-08-09: ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD - [2018323](/recalls/tc/2018323.md), 2018-06-15: Powertrain - [18V395000](/recalls/nhtsa/18V395000.md), 2018-06-14: EQUIPMENT:ELECTRICAL:ANTI\-THEFT DEVICES; ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:CONTROL MODULE - [18V332000](/recalls/nhtsa/18V332000.md), 2018-05-17: ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING - [18V049000](/recalls/nhtsa/18V049000.md), 2018-01-11: ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE ## Other bulletins for the same vehicles and component - [9100900](/bulletins/11037346.md), 2026-09-17, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040. - [9100860](/bulletins/11035068.md), 2026-07-18, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040. - [08\-271\-26](/bulletins/11035046.md), 2026-07-18, Service bulletin: ELECTRICAL SYSTEM. Battery Pack Control Module \(BPCM\) Update Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● U0412\-00 \- Invalid Data Received From Battery Energy Control Module "A". - [S2623000046](/bulletins/11034388.md), 2026-07-02, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Calibration Requirements For The Power Sliding Door Module \(PSDM\). - [S2623000041 REV.A](/bulletins/11034351.md), 2026-07-02, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed. Rev A - [S1623000028 Rev. K](/bulletins/11033975.md), 2026-06-18, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position. - [9100835](/bulletins/11033957.md), 2026-06-18, Service bulletin: ELECTRICAL SYSTEM. Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040. - [S2623000040](/bulletins/11033896.md), 2026-06-16, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock. - [S2623000041](/bulletins/11033895.md), 2026-06-16, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed. - [08\-079\-26 REV. A](/bulletins/11033321.md), 2026-06-03, 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. 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. JSON: [/v1/bulletins/10215946](/v1/bulletins/10215946) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2018-002-21&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10215946&vehicle=Service%20bulletin%2018-002-21)