2022 Jeep Compass ABS Module Software Update

Owners of certain 2022 Jeep Compass vehicles may encounter various operational issues related to the Anti-Lock Brake System (ABS) module. Technical Service Bulletin (TSB) 08-084-24, revised on June 6, 2024, provides a software update to resolve these concerns. This bulletin supersedes a previous version of TSB 08-084-24 dated March 19, 2024.

This TSB specifically applies to 2022 Jeep Compass models equipped with 2.4L I4 Multiair Engine (Sales Code ED6), 1.4L I4 Multiair Turbo Engine w/ESS (Sales Code EAQ), 2.0L I4 Turbo Diesel Engine w/ESS (Sales Code EBS), or 2.4L I4 Multiair Engine w/ESS (Sales Code EDD). It also covers vehicles with the 6-Spd Aisin F21-250 Gen 3 Auto Trans (Sales Code DF7), 7-Spd C725 DDCT Auto Trans (Sales Code DA2), or 9-Spd 948TE FWD/AWD Auto Trans (Sales Code DFH).

Symptoms

Customers may observe one or more of the following symptoms, indicating a need for the 2022 Jeep Compass ABS module update:

• An "Auto Hold Unavailable Service Required." warning message displayed on the Instrument Panel Cluster (IPC).
• The IPC "Hold" indicator illuminates on occasion.
• The Engine Stop/Start (ESS) system becomes inoperative.

It is important to note that Diagnostic Trouble Codes (DTCs) are typically not present during vehicle scans when these symptoms occur.

Diagnosis and Trigger Conditions

The root cause of these symptoms is identified as a software anomaly within the ABS module. When a customer reports the specific symptoms listed above, and no other DTCs are present, the recommended action is to proceed with the software update. Technicians will use a wiTECH scan tool to verify system functionality and ensure no other issues are present before performing the flash.

Repair Procedure Summary

The repair for the 2022 Jeep Compass ABS module update involves reprogramming the ABS module with the latest available software. The general steps are as follows:

1. Prepare the Vehicle: Install a battery charger to maintain the vehicle's battery voltage between 13.2 and 13.5 volts throughout the process. This is crucial to prevent interruptions during the software flash.
2. Reprogram ABS Module: Using the wiTECH Diagnostic Application, reprogram the Anti-Lock Brake System (ABS) module with the most current software version.
3. Clear DTCs: After reprogramming, clear any Diagnostic Trouble Codes (DTCs) that may have been set in any module during the flash process. The wiTECH application will automatically present these DTCs for clearing.
4. Post-Flash Procedure: Perform the ECU Replace/Post Flash Procedure routine under the