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Service bulletin 08-154-26

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 id11031434
Published by NHTSA2026-04-22
Manufacturer's number08-154-26
Manufacturer's date2026-04-16
NHTSA componentFORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

NHTSA's summary

Not applicable to vehicles built for US market. Flash: Adaptive Cruise Control (ACC) Module Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further SYMPTOM: investigation the technician must find the following Diagnostic Trouble Code (DTC) has been set: ● C14A4-00 - Sensor Adjustment Required.** Customers may comment on one or more of the following: ● **"ACC/FCW Unavailable, Service Required" message in the Instrument Panel Cluster (IPC).** ● Indication of sharp curve when changing lanes without activating the turn signal. ● Advanced Driver Assistance Systems (ADAS) disabled when changing lanes without activating the turn signal. , Claims Data table, Diagnosis statement, Repair Procedure Note and updated Repair Procedure. Revisions not highlighted with asterisks include removal of the build dates and Spar Parts table.

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

Driver assistance, Adaptive cruise control

Trouble codes named

C14A4

Vehicles listed
JEEP COMPASS2025

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
08-162-262026-04-22. Service bulletin. Flash: Adaptive Cruise Control (ACC) Module Update Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● C14A4-00 - Sensor Adjustment Required. Customers may also experience the following: ● "ACC/FCW Unavailable, Service Required" message in the Instrument Panel Cluster (IPC). This bulletin involves reprogramming of the ACC module with the latest available software.
08-006-262026-01-14. Service bulletin. Adaptive Cruise Control (ACC) Radar Vertical Misalignment Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● C14A4-00 - Sensor Adjustment Required. Customers may also experience the following: ● "ACC/FCW Unavailable, Service Required" message in the Instrument Panel Cluster (IPC). NOTE: This message can appear on extreme windy conditions at speeds of 97 kph (60 mph) to 113 kph (70 mph). **This bulletin involves installing two washers to the Adaptive Cruise Control (ACC) radar bracket behind the front fascia.
S2523000022 REV.B2025-06-26. Service bulletin. C14A4-00 Sensor Adjustment Required Set In Adaptive Cruise Control Module (ACC).
S2408000114 REV.A2025-05-14. Service bulletin. " Instrument Panel Cluster (IPC) Displays Warning Lamps or Messages for Loss of Advanced Driver Assist System (ADAS)"
S2523000022 REV.A2025-04-17. Service bulletin. C14A4-00 Sensor Adjustment Required Set In Adaptive Cruise Control Module (ACC).
S25230000222025-04-01. Service bulletin. C14A4-00 Sensor Adjustment Required Set In Adaptive Cruse Control Module (ACC).
S25080000132025-02-11. Service bulletin. The Cluster Electronic Vehicle Information Center (EVIC) Displays “ACC/FCW Unavailable Service Required”, “Adaptive Cruise Control (ACC) System is Disabled”
S24080000982024-09-05. Service bulletin. ACC Sensor Blinded, “ACC Unavailable Service Required” “FCW Unavailable Service Required”, Adaptive Cruise Control (ACC) system disabled, Loss of Advanced Driver Assist System (ADAS) Features Messages Displayed on the Instrument Panel Cluster (IPC)
08-136-24 REV. A2024-08-13. Service bulletin. "Flash: Adaptive Cruise Control (ACC) Module Update Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: ● C0063-9A - Yaw Rate Sensor - Component Or System Operating Conditions. This bulletin involves reprogramming of the ACC module with the latest available software."