Flash: Smart Lighting Module Left (SLML) And Smart Lighting Module Right (SLMR) Updates (08-127-21)

Publication date: 2022-03-29
Reference number: 08-127-21
Supersedes refnos: 08-069-22

FLASH: SMART LIGHTING MODULE LEFT (SLML) AND SMART LIGHTING MODULE RIGHT (SLMR) UPDATES

TECHNICAL SERVICE BULLETIN

Reference Number(s): 08-069-22, Date of Issue: March 29, 2022

CHRYSLER:	2021 - 2022 (WL) Jeep Grand Cherokee
GROUP:	08 - Electrical

Superceded Bulletin(s): 08-127-21, Date of Issue: August 04, 2021

NOTE: This bulletin supersedes Technical Service Bulletin (TSB) 08-127-21, date of issue August 04, 2021, which should be removed from your files. All revisions are highlighted with **asterisks** and include an additional model year, new build dates, updated RSU number, symptom/condition and LOPs.
This Technical Service Bulletin (TSB) has also been released as a Rapid Service Update (RSU) **22-064, date of issue March 29, 2022.** All applicable Sold and Un-Sold RSU VINs have been loaded. To verify this RSU service action is applicable to the vehicle, use VIP or perform a VIN search in DealerCONNECT/Service Library. All repairs are reimbursable within the provisions of warranty. This RSU will expire 18 months after the date of issue.

OVERVIEW

This bulletin involves reprogramming the SLML and SLMR with the latest available software.

MODELS

MODELS CHART

2021 - **2022**

(WL)

Jeep Grand Cherokee

NOTE: This bulletin applies to vehicles within the following markets/countries: North America, APAC, EMEA and LATAM.

NOTE: This bulletin applies to vehicles built on or after **September 09, 2021 (MDH 0909XX) and on or before December 03, 2021 (MDH 1203XX)** without LED Low/Highbeam Projector Headlamps (Sales Code LM6).

SYMPTOM/CONDITION

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:

**Headlamps go into a fail safe mode with low beam at reduced intensity with position and side marker lights on.**
"Service Headlamp" message appears in the information cluster.
Headlamps only function on low beam, park lamp and side marker lamps.

DIAGNOSIS

Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in DealerCONNECT/Service Library, verify all related systems are functioning as designed. If DTCs or symptom conditions, other than the ones listed above are present, record the issues on the repair order and repair as necessary before proceeding further with this bulletin.

If a customer's VIN is listed in VIP or your RSU VIN list or if the technician finds the DTC, perform the Repair Procedure. This RSU only applies to vehicles on the RSU VIN list.

REPAIR PROCEDURE

Check the SLML and SLMR software version to see if it is the latest available.
Does the vehicle have the latest software?
- YES>>> This bulletin has been completed, use inspect LOP **(18-19-32-90)** to close the active RSU.
- NO>>> Proceed to Step 3 .
Reprogram the SLML and SLMR with the latest software. Detailed instructions for flashing control modules using the wiTECH Diagnostic Application are available by selecting the application's "HELP" tab.
NOTE: This flash reprogramming will update both the SLML and SLMR simultaneously. Once the flash reprogramming session is complete please verify the SLML and SLMR have been updated.
Clear all DTCs that may have been set in any module due to reprogramming. The wiTECH application will automatically present all DTCs after the flash and allow them to be cleared.

POLICY

Reimbursable within the provisions of the warranty

TIME ALLOWANCE

TIME ALLOWANCE CHART

Labor Operation No:	Description	Skill Category	Amount
**18-19-32-90	Modules, Smart Lighting Left and Right (SLML/SLMR) - Inspect Both Modules (0 - Introduction)	6 - Electrical and Body Systems	0.2 Hrs.
18-19-32-91	Modules, Smart Lighting Left and Right (SLML/SLMR) - Inspect and Reprogram Both Modules (0 - Introduction)	6 - Electrical and Body Systems	0.2 Hrs.**

NOTE: The expected completion time for the flash download portion of this procedure is approximately 3 minutes. Actual flash download times may be affected by vehicle connection and network capabilities.

FAILURE CODE

The dealer must choose which failure code to use depending on if this is a Rapid Service Update (RSU) or Technical Service Bulletin.

The "RF" failure code is required for essential module flash/reprogramming and can only be used after confirmation that the VIN is included on the RSU.
The failure code "RF" (Required Flash) can no longer be used on Technical Service Bulletin flashes. The "RF" failure code must be used on an RSU.
If the customer's concern matches the SYMPTOM/CONDITION identified in the Technical Service Bulletin, failure code CC is to be used. When utilizing this failure code, the 3C's must be supplied.

FAILURE CODE CHART

RF	Required Flash - RSU
CC	Customer Concern