2024 Jeep Compass ACC Module Update TSB
This technical service bulletin (TSB) addresses issues with the Adaptive Cruise Control (ACC) system in the 2024 Jeep Compass, including diagnostic trouble codes C14A4-00 and C0063-9A, and various warning messages. A software update for the ACC module is available to resolve these concerns.

Owners of the 2024 Jeep Compass may encounter issues with the Adaptive Cruise Control (ACC) and Forward Collision Warning (FCW) systems. These problems can manifest as warning messages in the instrument panel cluster (IPC) or the illumination of various warning lamps. This technical service bulletin (TSB) provides a solution by updating the ACC module software.
Symptoms
Owners may notice one or more of the following symptoms related to the ACC or FCW system in their 2024 Jeep Compass:
- A Malfunction Indicator Lamp (MIL) illumination.
- The message "ACC/FCW Unavailable, Service Required" displayed in the Instrument Panel Cluster (IPC).
- The ABS warning lamp illuminated in the IPC.
- The ACC warning lamp illuminated in the IPC.
- The message "Lane Assist does not work" in the IPC.
- The message "Fatigue Detection Assist" in the IPC.
- The message "Adaptive Cruise Control" in the IPC.
Fault Codes / DTCs
Technicians investigating these symptoms may find specific Diagnostic Trouble Codes (DTCs) stored in the vehicle's system:
| Code | Description |
|---|---|
| C14A4-00 | Sensor Adjustment Required |
| C0063-9A | Yaw Rate Sensor - Component Or System Operating Conditions |
Diagnosis / Trigger Conditions
The primary trigger for this service action is the illumination of the Malfunction Indicator Lamp (MIL) combined with the presence of specific DTCs, such as the Jeep Compass C14A4-00 code. If a technician finds DTC C14A4-00 or C0063-9A, along with the reported customer concerns or warning messages, the vehicle is a candidate for this software update.
Repair Procedure Summary
The resolution for these issues involves reprogramming the Adaptive Cruise Control (ACC) module. This procedure ensures the ACC system operates with the latest available software, which is designed to correct the conditions leading to the warning messages and DTCs like the Jeep Compass C14A4-00.
Owner Action
If you experience any of the described symptoms or warning messages in your 2024 Jeep Compass, particularly the 'ACC/FCW Unavailable, Service Required' message or suspect a Jeep Compass C14A4-00 fault, it is recommended to contact your authorized Jeep dealership. They will be able to diagnose the issue and perform the necessary software update to the ACC module.
Source: NHTSA ID 11031435
Frequently Asked Questions
- What does the 'ACC/FCW Unavailable, Service Required' message mean in my 2024 Jeep Compass?
- This message indicates a malfunction with your vehicle's Adaptive Cruise Control (ACC) and Forward Collision Warning (FCW) systems. It often accompanies an illuminated Malfunction Indicator Lamp (MIL) and can be resolved with a software update to the ACC module.
- What is DTC C14A4-00 and how is it related to my Jeep Compass?
- DTC C14A4-00, 'Sensor Adjustment Required,' is a diagnostic trouble code that can appear in your 2024 Jeep Compass when there's an issue with the Adaptive Cruise Control system's sensor calibration. This TSB addresses this code through a software update.
- Will this software update fix other warning messages like 'Lane Assist does not work'?
- Yes, the software update for the Adaptive Cruise Control module is designed to resolve a range of related issues, including messages such as 'Lane Assist does not work,' 'Fatigue Detection Assist,' and 'Adaptive Cruise Control' warnings, especially when accompanied by DTCs like C14A4-00.
- Is this ACC module update a recall?
- This is a manufacturer communication in the form of a Technical Service Bulletin (TSB), not a recall. TSBs address known issues and provide repair procedures for technicians. While important, manufacturers typically do not notify owners directly about TSBs, unlike recalls.
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