Service bulletin S2018000008

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	10177496
Published by NHTSA	2020-07-27
Manufacturer's number	S2018000008
Manufacturer's date	2020-06-19
NHTSA component	POWER TRAIN

NHTSA's summary

Engine Surge Feel and/or Diagnostic Trouble Code P0299 ? Turbo Underboost Condition After Updating The Powertrain Control Module (PCM) Software. (ETL, ETM, ETN Engines)

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

Transmission and driveline

Trouble codes named

P0299

Vehicles listed
CHRYSLER 300	2019, 2020
CHRYSLER PACIFICA	2019, 2020
CHRYSLER PACIFICA PLUG-IN HYBRID	2019, 2020 (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
2018422	2018-08-09. Powertrain

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
S2621000004	2026-10-07. Service bulletin. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE Transmission Only)
S2621000003 REV.A	2026-03-18. Service bulletin. The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.
109997	2026-02-12. Service bulletin. ACTUATOR - TRANSFER CASE
21-014-26	2026-02-12. Service bulletin. Internal Transmission Wiring Connector Short And 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): ● P0A3F-00 - Drive Motor A Position Sensor 1 Circuit. ● P0A43-00 - Drive Motor A Position Sensor Circuit Intermittent. ● P0A45-00 - Drive Motor B Position Sensor 1 Circuit. ● P0C1A-00 - Drive Motor B Torque Delivered Performance. Customers may also comment on the following: ● Vehicle is in limp mode. statement, Claims Data tables,
21-040-25	2025-10-08. Service bulletin. 948TE Transmission Reaction Shaft Service Bushing Kit Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● P1DB7-00 - Torque Converter Clutch Performance.
21-025-25 REV. A	2025-08-13. Service bulletin. Internal Transmission Wiring Connector Short and Motor A Bearing Failure Warranty Extension XE1 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): ● P0A3F - Drive Motor A Position Sensor 1 Circuit. ● P0A43 - Drive Motor A Position Sensor Circuit Intermittent. ● P0A45 - Drive Motor B Position Sensor 1 Circuit. ● P0C1A - Drive Motor B Torque Delivered Performance. Customers may also comment on the following: ● Vehicle is in limp mode. NOTE: Module flashes are also required for this Repair Procedure to be effective, the following modules are to be updated: ● Hybrid Control Processor (HCP). ● Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM). This bulletin involves servicing the transmission.
21-009-25 REV. C	2025-07-09. Service bulletin. 850RE D Clutch Repair Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must have at least 11,265 km (7,000 mi.) and exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0733-00 - Gear 3 Shift Incorrect Ratio. ● P1DA8-00 - Incorrect Gear Ratio Clutch A B or D Defective. ● P1D92-00 - Incorrect Gear Ratio - Clutch 4 Defective. Customers may also comment on one or more of the following: ● Transmission slips when shifting. ● Vehicle will not move in reverse. ● Vehicle will not shift higher than third gear This bulletin involves replacing the D clutch.
S2523000050	2025-05-28. Service bulletin. Vibration From Engine Or Powertrain. Powertrain Mounting Neutralization Procedure. Discussion: Service information is in the process of being updated to include powertrain mount installation best practices. The new procedure will neutralize the mounts to lessen or remove unwanted mount tension that can lead to vibration complaints.
9100570	2025-05-19. Service bulletin. "Transmission Fluid Please note fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the reason for unit replacement. Visible ""glitter"" or debris in the pan does not justify complete unit replacements."
21-009-25 REV. B	2025-04-08. Service bulletin. "850RE D Clutch Repair Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must have at least 11,265 km (7,000 mi.) and exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0733-00 - Gear 3 Shift Incorrect Ratio. ● P1DA8-00 - Incorrect Gear Ratio Clutch A B or D Defective. ● P1D92-00 - Incorrect Gear Ratio - Clutch 4 Defective. Customers may also comment on one or more of the following: ● Transmission slips when shifting. ● Vehicle will not move in reverse. ● Vehicle will not shift higher than third gear This bulletin involves replacing the D clutch."