# Service bulletin 2100623

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: 10234495
- Published by NHTSA: 2023\-04\-17
- Manufacturer's number: 2100623
- Manufacturer's date: 2023\-02\-15
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

Loss of Forward Gear in Transmission Transmission has no forward gear. This bulletin involves replacing the automatic transmission.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234495-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10234495-9999.pdf)

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

## Components

Transmission and driveline, Automatic transmission

## Vehicles listed

- 2022 to 2023 JEEP COMMANDER
- 2022 to 2023 JEEP COMPASS

## Other bulletins for the same vehicles and component

- [1802623B](/bulletins/10248964.md), 2024-01-16, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates
- [1802623](/bulletins/10248949.md), 2024-01-16, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? P0563\-00 \- System Voltage High. ? P21CC\-00 \- Reductant Control Module Supply Voltage High. ? P20F6\-00 \- Reductant Injection Valve Stuck Open Bank One Unit One. ? P208E\-00 \- Reductant Injector Stuck Closed \- Bank One Unit One. ? P24B2\-00 \- Particulate Matter Sensor Circuit Intermittent. ? P00C0\-00 \- Turbocharger\-Supercharger Bypass Valve Two Control Circuit. Customers may also comment on one or more of the following: ? \*\*Vehicle not starting. ? Battery not charging. ? Engine oil Temp High message in the Instrument Panel Cluster \(IPC\). ? Engine Stop/Start \(ESS\) not ready due to a false driver seat belt unbuckled message in the IPC.\*\* This bulletin involves reprogramming the PCM with the latest available software.
- [1810623](/bulletins/10248918.md), 2024-01-16, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) has been set: ? P0087 \- Fuel Rail Pressure Too Low \- Bank 1. ? P0088 \- Fuel Rail Pressure Too High \- Bank 1. This bulletin involves reprogramming the PCM with the latest available software.
- [1806923](/bulletins/10248623.md), 2024-01-08, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code \(DTC\) has been set: ? P219A \- Bank 1 Air\-Fuel Ratio Imbalance. This bulletin involves reprogramming the PCM with the latest available software.
- [2100623](/bulletins/10248022.md), 2024-01-02, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Loss of Forward Gear in Transmission Transmission has no forward gear. This bulletin involves replacing the automatic transmission.
- [1806923](/bulletins/10244462.md), 2023-10-30, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code \(DTC\) has been set: ? P219A \- Bank 1 Air\-Fuel Ratio Imbalance. This bulletin involves reprogramming the PCM with the latest available software.
- [S2308000096](/bulletins/10243146.md), 2023-10-02, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); UNKNOWN OR OTHER; ENGINE. CEL \(Check Engine Lamp\) Illuminated, Service 4wd Message
- [1805623](/bulletins/10239998.md), 2023-07-31, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). PCM Software
- [1806923](/bulletins/10239981.md), 2023-07-31, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code \(DTC\) has been set: ? P219A \- Bank 1 Air\-Fuel Ratio Imbalance. This bulletin involves reprogramming the PCM with the latest available software.
- [1806923A](/bulletins/10239976.md), 2023-07-31, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation\- the technician may find that the following Diagnostic Trouble Code \(DTC\) has been set: ? P219A \- Bank 1 Air\-Fuel Ratio Imbalance. This bulletin involves reprogramming the PCM with the latest available software.

JSON: [/v1/bulletins/10234495](/v1/bulletins/10234495)

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