Home08-155-26 · JEEP
JEEP

08-155-26

Manufacturer communications

Publication date
2026-04-16
Received by NHTSA
2026-04-22
NHTSA record numbers
11031435

Manufacturer summary

Original wording in English

Not applicable to vehicles built for US market. Flash: Adaptive Cruise Control (ACC) Module Update **Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further SYMPTOM: investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:
• C14A4-00 - Sensor Adjustment Required.**
• C0063-9A - Yaw Rate Sensor - Component Or System Operating Conditions. Customers may comment on one or more of the following:
• **"ACC/FCW Unavailable, Service Required" message in the Instrument Panel Cluster (IPC).**
• ABS warning lamp on in the 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. This bulletin involves reprogramming the ACC with the latest available software.

NHTSA manufacturer communications ↗

Reported code forms

C0063C14A4

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

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MakeModelModel year
JeepCOMPASS2024

Data coverage →