08-118-19

NUMBER:
GROUP:
DATE:
08-118-19
08 - Electrical
November 22, 2019
This bulletin is supplied as technical information only and is not an authorization for repair. No part of this publication may be reproduced, stored in a retrieval system, or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC.
SUBJECT:
Flash: Driver Assistance System Module (DASM) Enhancements
OVERVIEW:
This bulletin involves reprogramming the DASM with the latest software available.
MODELS:
2019 - 2020
(JL)
Jeep Wrangler
NOTE: This bulletin applies to vehicles within the following markets/countries: APAC.
NOTE: This bulletin applies to vehicles built on or before December 28, 2018 (MDH 1228XX)
equipped with Instrument Panel Parts Module (Sales Code X81).
SYMPTOM/CONDITION:
The customer may describe one or more of the following:
• Brakes may intermittently apply unexpectedly together with Instrument Panel Cluster (IPC)
warnings.
• IPC warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes.
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
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.
1. 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.
2. 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.
08-118-19
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POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation
No:
Description
Skill Category
Amount
18-20-09-92
Module, Drivers Assistance System Module (DASM) - Inspect and 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 47 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.
CC
Customer Concern