# Service bulletin 08\-160\-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.

- Type: Service bulletin
- NHTSA id: 11031440
- Published by NHTSA: 2026\-04\-22
- Manufacturer's number: 08\-160\-26
- Manufacturer's date: 2026\-04\-16
- NHTSA component: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031440-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031440-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Driver assistance, Adaptive cruise control

## Trouble codes named

C14A4

## Vehicles listed

- 2023 JEEP COMPASS

## Other bulletins for the same vehicles and component

- [08\-156\-26](/bulletins/11031436.md), 2026-04-22, Service bulletin: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Not applicable to vehicles built for US market. Flash: Adaptive Cruise Control \(ACC\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Codes \(DTC\): ● C14A4\-00 \- Sensor Adjustment Required. Customers may experience the following: ● "ACC/FCW Unavailable, Service Required" message in the Instrument Panel Cluster \(IPC\). This bulletin involves reprogramming the ACC with the latest available software.
- [08\-006\-26](/bulletins/11027636.md), 2026-01-14, Service bulletin: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. 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.B](/bulletins/11019762.md), 2025-06-26, Service bulletin: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. C14A4\-00 Sensor Adjustment Required Set In Adaptive Cruise Control Module \(ACC\).
- [S2408000114 REV.A](/bulletins/11018269.md), 2025-05-14, Service bulletin: FORWARD COLLISION AVOIDANCE: WARNINGS; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. " Instrument Panel Cluster \(IPC\) Displays Warning Lamps or Messages for Loss of Advanced Driver Assist System \(ADAS\)"
- [S2523000022 REV.A](/bulletins/11017091.md), 2025-04-17, Service bulletin: FORWARD COLLISION AVOIDANCE: WARNINGS; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. C14A4\-00 Sensor Adjustment Required Set In Adaptive Cruise Control Module \(ACC\).
- [101372](/bulletins/11010214.md), 2024-11-07, Service bulletin: FORWARD COLLISION AVOIDANCE: WARNINGS; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; UNKNOWN OR OTHER. FCA Caribbean Warranty Operations Newsletter – Volume 10, Issue 10
- [101371](/bulletins/11010211.md), 2024-11-07, Service bulletin: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; FORWARD COLLISION AVOIDANCE: WARNINGS; UNKNOWN OR OTHER. Warranty Operations Newsletter – Volume 10, Issue 10
- [S2308000111](/bulletins/10243194.md), 2023-10-02, Service bulletin: FORWARD COLLISION AVOIDANCE; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Electronic Vehicle Information Center \(EVIC\) Will Display ?ACC/FCW Unavailable Service Required? with the Forward Collision Warning Lamp on
- [S2308000105](/bulletins/10243174.md), 2023-10-02, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; LANE DEPARTURE; LANE DEPARTURE: WARNING; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Service Lane Departure and Service Highway Assist Warning Lamps Displayed on Cluster, Adaptive Cruise Control Inoperative

JSON: [/v1/bulletins/11031440](/v1/bulletins/11031440)

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