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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10248949
Published by NHTSA2024-01-16
Manufacturer's number1802623
Manufacturer's date2023-11-22
NHTSA componentENGINE 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

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

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

Trouble codes named

P00C0, P0563, P208E, P20F6, P21CC, P24B2

Vehicles listed
JEEP COMPASS2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
1802623B2024-01-16. Service bulletin. Flash: Powertrain Control Module (PCM) Updates
21006232024-01-02. Service bulletin. Loss of Forward Gear in Transmission Transmission has no forward gear. This bulletin involves replacing the automatic transmission.
21006232023-04-17. Service bulletin. Loss of Forward Gear in Transmission Transmission has no forward gear. This bulletin involves replacing the automatic transmission.