Flash: Driver Assistance System Module (DASM) Enhancements (08-079-21)

Publication date: 2021-05-06
Reference number: 08-079-21
Supersedes refnos: 08-009-20

FLASH: DRIVER ASSISTANCE SYSTEM MODULE (DASM) ENHANCEMENTS

TECHNICAL SERVICE BULLETIN

Reference Number(s): 08-079-21, Date of Issue: May 06, 2021

CHRYSLER:	2020 Jeep Gladiator (JT)
GROUP:	08 - Electrical

Superceded Bulletin(s): 08-009-20, Date of Issue: January 18, 2020

NOTE: This bulletin supersedes Technical Service Bulletin (TSB) 08-009-20, date of issue January 18, 2020, which should be removed from your files. All revisions are highlighted with **asterisks** and include updated symptom/conditions and LOP.

OVERVIEW

This bulletin involves reprogramming the DASM with the latest software available.

MODELS

MODELS CHART

2020

(JT)

Jeep Gladiator

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

NOTE: This bulletin applies to vehicles equipped with Full Speed Fwd Collision Warn Plus (Sales Code LSU).

SYMPTOM/CONDITION

The customer may describe one or more of the following:

Instrument Panel Cluster (IPC) warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes.
Brakes may intermittently apply unexpectedly together with IPC warnings.

**The following software enhancements are also available:

Allows customers to turn off the FCW indefinitely, rather than resetting to "ON" at each key cycle (Japan and South Korea only).
System improvements to enhance the FCW system hazard detection which may reduce nuisance actions and warnings from incorrectly identified structures and hazards, which can in rare circumstances cause an unwarranted brake event.**

DIAGNOSIS

Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in Dealer CONNECT/Service Library, verify all related systems are functioning as designed. If Diagnostic Trouble Codes (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 the customer describes the symptom/condition listed above, perform the Repair Procedure.

REPAIR PROCEDURE

NOTE: Install a battery charger to ensure battery voltage does not drop below 13.2 volts. Do not allow the charging voltage to climb above 13.5 volts during the flash process.

NOTE: If this flash process is interrupted/aborted, the flash should be restarted.

Reprogram the DASM with the latest software. Detailed instructions for flashing control modules using the wiTECH Diagnostic Application are available by selecting the application "HELP" tab.
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
**18-20-09-9A	Module, Drivers Assistance System Module (DASM) - Reprogram (0 - Introduction)	6 - Electrical and Body Systems	1.0 Hrs.**

NOTE: The expected completion time for the flash download portion of this procedure is approximately 49 minutes. Actual flash download times may be affected by vehicle connection and network capabilities.

FAILURE CODE

The dealer must use failure code CC with this Service Bulletin.

If the customer's concern matches the SYMPTOM/CONDITION identified in the Service Bulletin, failure code CC is to be used.
When utilizing this failure code, the 3C's (customer's concern, cause and correction) must be provided for processing Service Bulletin flash/reprogramming conditions.

FAILURE CODE CHART

CC	Customer Concern