Technical Service Bulletin (TSB)
Flash: Powertrain Control Module (PCM) Updates
REFERENCE:

TSB: 18-041-25
GROUP: 18 - Vehicle Performance

Date:

June 26, 2025

VEHICLES
AFFECTED:

2019 (W3) Jeep Grand Cherokee (Egypt)
This bulletin applies to vehicles equipped with the 5.7L V8 HEMI MDS
VVT Engine (Sales Code EZH).

REVISION: 18-018-19 REV. A

MARKET APPLICABILITY:
NA

EE

SA

IAP

MEA

CH

NOTE: **This bulletin applies to
the Middle East & Africa
market.**
CUSTOMER
SYMPTOM:

Customers may experience the following condition:
● Actual fuel economy reporting may not match the Instrument Panel Cluster (IPC).

CAUSE:

**PCM software**

This bulletin supersedes Technical Service Bulletin (TSB) 18-018-19 REV. A, date of issue October
05, 2019, which should be removed from your files. All revisions are highlighted with **asterisks**
and include an new Markets Note, Cause statement, updated Diagnosis statement, new Special Tools/
Equipment table and updated Repair Procedure.
Updates not highlighted by asterisks include the removal of a the WK model, a Failure Code and LOP.
This Service Bulletin is also being released as Rapid Response Transmittal (RRT) 19-069, dated
October 05, 2019. All applicable Sold and UnSold RRT VINs have been loaded. To verify this RRT
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.
REPAIR SUMMARY:
This bulletin involves reprogramming the PCM with the latest available software.
CLAIMS DATA:

Labor Operation No:
18-19-06-A2

Failure Code

Labor Description
Module, Powertrain
Control (PCM) Reprogram
(0 - Introduction)
CC

Skill Category
1 - Engine Repair and
Performance

Labor Time
0.3 Hrs.

Customer Concern

**The dealer must use failure code CC with this Technical Service Bulletin.
● If the customer’s concern matches the SYMPTOM identified in the Technical 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 Technical Service Bulletin flash/reprogramming conditions.**

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 any of the symptoms listed above in the customer symptom section, perform the
Repair Procedure.**
**SPECIAL TOOLS/EQUIPMENT:

Description
wiTECH or Equivalent

Ref. No.
–

Notes
–**

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 PCM with the latest software. If issues arise when flashing a module using the wiTECH
Diagnostic Application, please submit a ticket to the Helpdesk. The helpdesk can be found within the Help
menu.
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.**
POLICY:
Reimbursable within the provisions of the warranty.
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.