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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.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
04-001-212022-08-22. Service bulletin. ENGINE AND ENGINE COOLING. Pentastar Upgrade Oil Fill Level after an Oil Change This bulletin involves rechecking the oil fill level after filling the engine to the correct specifications. The customer may describe that after an oil change they check their oil fill level and it is showing overfilled on the oil dipstick.
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).
S18090000072022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Customer Complaint May Include Engine Oil Leak Or Consumption
825182022-05-31. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. CHRYSLER PACIFICA (RU) MY2017-21 ELECTRIC COOLANT HEATER Part Requirement Verification
D-16-032022-04-04. Service bulletin. ENGINE. Can/Am Warranty coverage
S1809000007 Rev.2021-06-28. Service bulletin. ENGINE AND ENGINE COOLING. Customer Complaint May Include Engine Oil Leak Or Consumption
S1809000007 Rev.2021-04-26. Service bulletin. ENGINE AND ENGINE COOLING. Customer complaint may include engine oil leak/consumption.
S1908000083 Rev.2021-03-01. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Check Engine Light Illuminated, Stop Start Function Inoperative
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).
S1908000195 Rev.2020-11-30. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM:SOFTWARE. Smog Check Vehicle Inspection Report (VIR) Fails Because Of Permanent Diagnostic Trouble Codes, PDTC
S20140000012020-09-28. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. When replacing the fuel line on a 2017-2018 RU 3.6L engine, it will be necessary to install a new fuel pressre sensor connector on to the vehicle harness. Follow the instructions below (or the I-sheet included with the part) when installing the connector repair kit. Improper wiring of the replacement connector can result in DTC P018D-Fuel Pressure Sensor High setting in the PCM.
S19090000022020-06-22. Service bulletin. EQUIPMENT; ENGINE. Customer complaint may include an overfilled engine crankcase after an oil change.
90042572020-06-22. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. FILTER KIT, Engine Oil When refilling oil on a JT, JL, DT, or RU equipped with a 3.6L Pentastar UPGRADE engine, please be advised that the engine oil capacity is 5 quarts of oil.
S20080000192020-05-26. Service bulletin. ENGINE AND ENGINE COOLING. No Start, No Crank, Mil Lamp ON, DTC?s P1A2A-00, P1A29-00 Cell Supervisory Circuits
90041712020-01-21. Service bulletin. ENGINE AND ENGINE COOLING. COVER, Cylinder Head, Left/Right Prior to replacing the cylinder head cover on ANY 3.6L Pentastar Upgrade Engine, verify that there are no steel dowel pins pressed into the cylinder head. If dowels are present in the cylinder head please remove carefully without touching/damaging the cylinder head sealing surface.
18-089-192019-12-16. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
04-001-192019-10-28. Service bulletin. ENGINE. Pentastar Upgrade Oil Fill Level after an Oil Change This bulletin involves rechecking the oil fill level after filling the engine to the correct specifications. The customer may describe that after an oil change they check their oil fill level and it is showing overfilled on the oil dipstick.

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