# Service bulletin 08\-321\-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: 11036356
- Published by NHTSA: 2026\-08\-26
- Manufacturer's number: 08\-321\-26
- Manufacturer's date: 2026\-08\-21
- 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-11036356-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036356-9999.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 DODGE DURANGO

## Other bulletins for the same vehicles and component

- [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 \(ADAS\)"
- [S2523000031](/bulletins/11017122.md), 2025-04-22, Service bulletin: 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

JSON: [/v1/bulletins/11036356](/v1/bulletins/11036356)

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