Service bulletin 08-127-21
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 | 10218550 |
| Published by NHTSA | 2022-08-22 |
| Manufacturer's number | 08-127-21 |
| Manufacturer's date | 2021-08-04 |
| NHTSA component | EXTERIOR LIGHTING; ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:HEADLIGHTS; ELECTRICAL SYSTEM |
NHTSA's summary
Flash: Smart Lighting Module Left (SLML) and Smart Lighting Module Right (SLMR) Updates This bulletin involves reprogramming the SLML and SLMR with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: B2834-00 - Right Headlamp Assembly Performance. B2835-00 - Left Headlamp Assembly Performance. Customers may experience one or more of the following:?Service Headlamp? message appears in the information cluster. Headlamps only function on low beam, park lamp and side marker lamps.
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
Electrical system, Lighting, Headlights, Software
Trouble codes named
B2834, B2835
| JEEP GRAND CHEROKEE | 2021 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 21V950000 | 2021-12-09. EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE; EXTERIOR LIGHTING:HEADLIGHTS |
|---|---|
| 21V797000 | 2021-10-14. EXTERIOR LIGHTING:HEADLIGHTS |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
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