Technical Service Bulletin (TSB)
Flash: Electronic Power Steering (EPS) Module Updates
REFERENCE:

TSB: 08-093-25 REV. B
GROUP: 08 - Electrical

Date:

November 5, 2025

VEHICLES
AFFECTED:

2025 (DT) RAM 1500 Pickup
This bulletin applies to vehicles built on and before April 08, 2025
(MDH 0408XX).

REVISION: 08-093-25 REV. A

MARKET APPLICABILITY:
NA

MEA

SA

IAP

EE

CH

NOTE: This bulletin applies
to North and South
America, Enlarged
Europe, Middle East &
Africa, and India & Asia
Pacific markets.
CUSTOMER
SYMPTOM:

Customers may comment on one or more of the following:
● The steering feels heavy while returning steering wheel to center during a lower speed turn.
● The vehicles pulls slightly at highway speeds.

CAUSE:

EPS module software

This bulletin supersedes Technical Service Bulletin (TSB) 08-093-25 REV. A, date of issue October 25,
2025, which should be removed from your files. All revisions are highlighted with **asterisks** and
includes an updated Repair Procedure and a new Claims Data note.
This Technical Service Bulletin (TSB) has also been released as a Rapid Service Update (RSU) 25-225,
date of issue October 25, 2025. All applicable 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.
REPAIR SUMMARY:
This bulletin involves inspecting and possibly reprogramming the EPS module with the latest available
software.

J08 FSAR-TSB-6624

-2-

CLAIMS DATA:

Labor Operation No:
18-19-56-AN

18-19-56-AM

Failure Codes

Labor Description
Electronic Power Steering
Module - Inspect
(0 - Introduction)
Electronic Power Steering
Module - Inspect and
Reprogram
(0 - Introduction)
RF
CC

Skill Category
6 - Electrical and Body
Systems

Labor Time
0.2 Hrs.

6 - Electrical and Body
Systems

0.2 Hrs.

Required Flash
Customer Concern

NOTE: **For EE market only, enter the RSU spending channel for the first 18 months from the date of
issue, then apply the W24.**
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.
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 a customers VIN is listed in VIP or your RSU VIN list, perform the repair. If any vehicle not on the VIN list
exhibits any of the symptom listed above in the customer symptom section, perform the Repair Procedure.
SPECIAL TOOLS/EQUIPMENT:

Description
wiTECH or Equivalent

Ref. No.
–

Notes
–

-3-

J08 FSAR-TSB-6624

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. **Is the vehicle on the RSU VIN list?
● YES>>> Proceed to Step 2.
● NO>>> Proceed to Step 3.
2. Is the EPS module software updated to the latest level?

3.

4.
5.
6.

7.

● YES>>> This bulletin is complete. Use Inspect LOP (18-19-56-AN) to close this active RSU.
● NO>>> Proceed to Step 3.
Reprogram the EPS module with the latest available 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.
Using wiTECH, perform proxy alignment for EPS module. This routine is available under the ’Guided
Diagnostics’ tab found on the home, ’Vehicle View’ page of wiTECH.
Perform EPS hard reset in the Guided Diagnostics menu from wiTECH.
To perform an EPS reset with wiTECH - Go to the Guided Diagnostics menu --> Select Reset ECU
-->Select "EPS" from the list of modules --> Click "Continue" at the bottom of the page then follow the
wiTECH prompts.
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.**

NOTE: For SA market only, after applying this TSB, it is not necessary to send DID-I or DID-A.
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.