# Service bulletin 9100627

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: 11020855
- Published by NHTSA: 2025\-07\-23
- Manufacturer's number: 9100627
- Manufacturer's date: 2025\-07\-14
- NHTSA component: POWER TRAIN

## NHTSA's summary

To inform dealers about the 850RE valve body PN: R8348504A connector: the original 16\-pin connector included six pins that were not used in this application. To simplify the design, the connector has been optimized and updated to a 10\-pin configuration.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020855-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020855-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Transmission and driveline

## Vehicles listed

- 2019 to 2023 DODGE DURANGO
- 2020 to 2023 JEEP GLADIATOR
- 2019 to 2023 JEEP GRAND CHEROKEE
- 2019 to 2023 JEEP WRANGLER
- 2020 to 2023 JEEP WRANGLER 4XE
- 2019 to 2023 RAM 1500

## Recalls for the same vehicles and component

- [26V413000](/recalls/nhtsa/26V413000.md), 2026-06-30: POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\)
- [24V572000](/recalls/nhtsa/24V572000.md), 2024-08-01: POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE:SOFTWARE
- [2024325](/recalls/tc/2024325.md), 2024-06-06: Powertrain
- [24V413000](/recalls/nhtsa/24V413000.md), 2024-06-06: POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION
- [23V641000](/recalls/nhtsa/23V641000.md), 2023-09-18: POWER TRAIN:MANUAL TRANSMISSION
- [23V640000](/recalls/nhtsa/23V640000.md), 2023-09-18: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
- [2023335](/recalls/tc/2023335.md), 2023-06-08: Powertrain
- [23V265000](/recalls/nhtsa/23V265000.md), 2023-04-13: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)
- [2023089](/recalls/tc/2023089.md), 2023-02-23: Powertrain
- [23V116000](/recalls/nhtsa/23V116000.md), 2023-02-23: POWER TRAIN:CLUTCH ASSEMBLY

## Other bulletins for the same vehicles and component

- [S2621000004](/bulletins/11038329.md), 2026-10-07, Service bulletin: POWER TRAIN. 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 \(850RE Transmission Only\)
- [114738](/bulletins/11037594.md), 2026-09-30, Service bulletin: POWER TRAIN. TRANSMISSION KIT \- WITH TORQUE CONVERTER
- [114737](/bulletins/11037593.md), 2026-09-30, Service bulletin: POWER TRAIN. TRANSMISSION KIT \- WITH TORQUE CONVERTER
- [113528](/bulletins/11035187.md), 2026-07-23, Service bulletin: POWER TRAIN. SHAFT \- AXLE HALF
- [113529](/bulletins/11035186.md), 2026-07-23, Service bulletin: POWER TRAIN. SHAFT \- AXLE HALF
- [21\-057\-26](/bulletins/11035059.md), 2026-07-18, Service bulletin: POWER TRAIN. Flash: Transmission Control Module \(TCM\) Updates Customers may comment on one or more of the following: SYMPTOM: ● Harsh or slipping feeling during upshifts \(1st \- 5th\). ● Harsh or slipping feeling during kickdown events under throttle. ● Transmission fluid odor \(burnt smell\). This bulletin involves reprogramming the TCM with the latest available software.
- [21\-056\-26](/bulletins/11035058.md), 2026-07-18, Service bulletin: POWER TRAIN. Flash: Transmission Control Module \(TCM\) Updates Customers may comment on one or more of the following: SYMPTOM: ● \*\*Harsh or slipping feeling during upshifts \(1st \- 5th\). ● Harsh or slipping feeling during kickdown events under throttle. ● Transmission fluid odor \(burnt smell\).\*\* ● During a 2 \- 3 transmission upshift, the engine is hitting rev limit. ● Hesitation feel during a pedal tip in, while engine is warming up below 1 °C \(30 °F\) ambient temp. This bulletin involves reprogramming the TCM with the latest available software.
- [21\-054\-26](/bulletins/11035056.md), 2026-07-18, Service bulletin: POWER TRAIN. Flash: Transmission Control Module \(TCM\) Updates Customers may comment on one or more of the following: SYMPTOM: ● Harsh or slipping feeling during upshifts \(1st \- 5th\). ● Harsh or slipping feeling during kickdown events under throttle. ● Transmission fluid odor \(burnt smell\).
- [18\-062\-26](/bulletins/11034358.md), 2026-07-02, Service bulletin: ENGINE; POWER TRAIN. Flash: Powertrain Control Module \(PCM\) 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 \(DTCs\): ● \*\*P0420 \- Catalyst System Efficiency Below Threshold Bank 1. ● P0430 \- Catalyst System Efficiency Below Threshold Bank 2.\*\* ● P0456 \- EVAP System Small Leak. Customers may also comment on one or more of the following: ● \*\*Vehicle fails emissions inspection testing.\*\* ● Pinging/detonation sound from the engine after warm up at 1000\-1500 RPM at low speed. \(EMEA and APAC Only\). ● The vehicle stalls at low speeds and/or coming to a stop This bulletin involves reprogramming the PCM with the latest available software.
- [21\-041\-26 REV. A](/bulletins/11034324.md), 2026-07-02, Service bulletin: POWER TRAIN. Transmission Auxiliary Oil Pump Failure Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set \*\*one or more the following Diagnostic Troubles Code \(DTCs\): ● U0287\-00 \- Lost Communication With Transmission Fluid Pump Module 1.\*\* ● P0B0D\-00 \- Electric/Auxiliary Transmission Fluid Pump Motor Control Module. Customers may also comment on the following: ● Vehicle is in limp mode. This bulletin involves replacing the transmission oil pump.

JSON: [/v1/bulletins/11020855](/v1/bulletins/11020855)

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