# Service bulletin 08\-146\-24

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: 11002755
- Published by NHTSA: 2024\-07\-02
- Manufacturer's number: 08\-146\-24
- Manufacturer's date: 2024\-06\-27
- NHTSA component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; UNKNOWN OR OTHER; FORWARD COLLISION AVOIDANCE: WARNINGS
- Manufacturer's system: Range Radar Replacement

## NHTSA's summary

"Mid \- Range Radar Replacement Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● C00C4\-49 Rear Radar Module 'A' \- Internal Electronic Failure. Customers may also experience the following: ● Blind Spot Warning Mid Range Radar warning light on in instrument cluster. This bulletin involves replacing the rear Mid \- Range Radar Module."

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11002755-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11002755-9999.pdf)

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

## Components

Driver assistance, Electrical system, Adaptive cruise control

## Trouble codes named

C00C4

## Vehicles listed

- 2021 to 2022 JEEP GRAND CHEROKEE

## Other bulletins for the same vehicles and component

- [S2108000236 REV.B](/bulletins/11021846.md), 2025-08-13, Service bulletin: ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Windshield HUD \(Head Up Display\) Display Features
- [S2121000011](/bulletins/10223274.md), 2022-10-17, Service bulletin: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL:SOFTWARE. Long Crank With Diagnostic Trouble Code \(DTC\) U0104 ? Lost Communication With Cruise Control Module, Set.

JSON: [/v1/bulletins/11002755](/v1/bulletins/11002755)

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