# Service bulletin 08\-135\-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: 11030415
- Published by NHTSA: 2026\-04\-01
- Manufacturer's number: 08\-135\-26
- Manufacturer's date: 2026\-03\-25
- NHTSA component: BACK OVER PREVENTION: WARNINGS

## NHTSA's summary

PROXI Alignment and Drive Calibration: Park Assist Module \(PAM\) The vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): SYMPTOM: ● B2286\-00 \- Calibration Not Learned\-Lost Calibration. NOTE: There is no Malfunction Indicator Lamp \(MIL\) illumination displaying in the Instrument Panel Cluster \(IPC\) for this condition. Customers may comment on the following: ● In the top down 360° camera view, the items on the ground \(i.e. parking lines\) appear curved instead of straight. During normal operation, items on the ground \(i.e. parking lines\) will appear straight. This bulletin involves performing the PAM Drive Calibration and PROXI alignment routine for the PAM.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11030415-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11030415-9999.pdf)

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

## Components

Driver assistance, Backup camera

## Trouble codes named

B2286

## Vehicles listed

- 2026 JEEP GRAND CHEROKEE
- 2026 JEEP GRAND CHEROKEE 4XE
- 2026 JEEP GRAND CHEROKEE L

## Recalls for the same vehicles and component

- [26V531000](/recalls/nhtsa/26V531000.md), 2026-08-13: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

## Other bulletins for the same vehicles and component

- [114282](/bulletins/11036779.md), 2026-09-03, Warranty extension: BACK OVER PREVENTION: WARNINGS. \*\*\*Recall Completion Prior to Sale of Vehicle\*\*\*
- [114283](/bulletins/11036778.md), 2026-09-03, Warranty extension: BACK OVER PREVENTION: WARNINGS. \*\*\*Recall Completion Prior to Sale of Vehicle\*\*\*
- [S2508000029 REV.B](/bulletins/11036279.md), 2026-08-19, Service bulletin: BACK OVER PREVENTION: WARNINGS. Instrument Panel Cluster \(IPC\) Message “Park Assist System Unavailable” or “Service Park Assist System”, “Rear Braking Assist Unavailable” or “Service Rear Braking Assist System" with Performance Diagnostic Trouble Codes \(DTCs\)
- [S2508000029 REV.A](/bulletins/11036180.md), 2026-08-13, Service bulletin: BACK OVER PREVENTION: WARNINGS. Instrument Panel Cluster \(IPC\) Message “Park Assist System Unavailable” or “Service Park Assist System”, “Rear Braking Assist Unavailable” or “Service Rear Braking Assist System" with Performance Diagnostic Trouble Codes \(DTCs\)

JSON: [/v1/bulletins/11030415](/v1/bulletins/11030415)

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