2024 Jeep Compass ACC Module Update TSB 08-144-25

Owners of the 2024 Jeep Compass may experience various warning lights and messages related to the Adaptive Cruise Control (ACC) system. This issue, detailed in Technical Service Bulletin (TSB) 08-144-25, is addressed by a software update for the ACC module. This 2024 Jeep Compass manufacturer_communication provides technicians with the necessary steps to resolve these concerns.

Symptoms

Customers may notice a Malfunction Indicator Lamp (MIL) illumination on their instrument panel. In addition to the MIL, specific warning messages may appear in the Instrument Panel Cluster (IPC). These include:

• "ABS warning lamp on in the Instrument Panel Cluster (IPC)."
• "ACC warning lamp on in the IPC."
• "Message 'Lane Assist does not work' in the IPC."
• "Message 'Fatigue Detection Assist' in the IPC."
• "Message 'Adaptive Cruise Control' in the IPC."

Fault Codes / DTCs

Upon investigation, a technician may find a specific Diagnostic Trouble Code (DTC) has been set, indicating a problem with the yaw rate sensor or its operating conditions.

Code	Description	Module
C0063-9A	Yaw Rate Sensor - Component Or System Operating Conditions	ACC

Diagnosis / Trigger Conditions

If a customer reports the symptoms mentioned above, technicians should use a Scan Tool (such as wiTECH) and follow the appropriate diagnostic procedures. It is crucial to verify that all related systems are functioning correctly. If any DTCs or symptom conditions other than those listed in TSB 08-144-25 are present, they should be recorded and addressed before proceeding with the bulletin's repair.

Repair Procedure Summary

The primary repair involves reprogramming the Adaptive Cruise Control (ACC) module with the latest available software. This process is performed using the wiTECH Diagnostic Application. After the reprogramming is complete, any Diagnostic Trouble Codes (DTCs) that may have been set in any modules due to the reprogramming must be cleared. The wiTECH application will automatically present all DTCs for clearing.

Required Tools or Parts

To perform this repair, technicians will need a diagnostic tool such as wiTECH or Equivalent.

Important Warnings

• Battery Voltage: It is essential to install a battery charger to maintain a 12-volt system voltage throughout the reprogramming process.
• Interruption: If the flash process is interrupted or aborted for any reason, the flash should be restarted to ensure proper module programming.

Owner Action

If your 2024 Jeep Compass is exhibiting any of the described warning lights or messages, or if you suspect an issue related to the Adaptive Cruise Control system, it is recommended to visit an authorized Jeep dealership. The repair, which involves an ACC module software update as per TSB 08-144-25, is reimbursable within the provisions of your vehicle's warranty.

---

Source: NHTSA ID 11018249