# Service bulletin 1802623

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: 10248949
- Published by NHTSA: 2024\-01\-16
- Manufacturer's number: 1802623
- Manufacturer's date: 2023\-11\-22
- NHTSA component: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10248949-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10248949-9999.pdf)

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

## Components

Electrical system, Engine, Transmission and driveline, Automatic transmission, Transmission control module

## Trouble codes named

P00C0, P0563, P208E, P20F6, P21CC, P24B2

## Vehicles listed

- 2022 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
- [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.
- [2100623](/bulletins/10234495.md), 2023-04-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Loss of Forward Gear in Transmission Transmission has no forward gear. This bulletin involves replacing the automatic transmission.

JSON: [/v1/bulletins/10248949](/v1/bulletins/10248949)

[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%201802623&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10248949&vehicle=Service%20bulletin%201802623)