Technical Service Bulletin (TSB)
Rear Selective Thrust Washer Failure
REFERENCE:

TSB: 21-012-25 REV. E
GROUP: 21 - Transmission and Transfer
Case

Date:

November 6, 2025

REVISION: 21-012-25 REV. D

VEHICLES
AFFECTED:

2024 (D2) RAM 3500 Pickup
MARKET APPLICABILITY:
2024 (DJ) RAM 2500 Pickup
MEA
NA
This bulletin applies to vehicles built on or after June 14, 2024 (MDH
SA
IAP
0614XX) and on or before September 04, 2024 (MDH 0904XX) equipped
with the 6.7L I6 Cummins Turbo Diesel Engine (Sales Code ETL) and a
EE
CH
6-Spd Automatic 68RFE Transmission (Sales Code DG7).
NOTE: This bulletin applies
to the South America
market.

CUSTOMER
SYMPTOM:

Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must
exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
● P0218-00 - Transmission High Temperature Operation Activated.
● P0716-00 - Input Speed Sensor 1 Circuit Performance.
● P0729-00 - Gear 6 Shift Incorrect Ratio.
● P0731-00 - Gear 1 Shift Incorrect Ratio.
● P0732-00 - Gear 2 Shift Incorrect Ratio.
● P0733-00 - Gear 3 Shift Incorrect Ratio.
● P0734-00 - Gear 4 Shift Incorrect Ratio.
● P0735-00 - Gear 5 Shift Incorrect Ratio.
● P0841-00 - Transmission Fluid Pressure Sensor/Switch 1 Circuit Performance.
● P0868-00 - Transmission Fluid Pressure Low.
● P0871-00 - Transmission Fluid Pressure Sensor/Switch "C" Circuit Range/Performance.
● P0876-00 - Transmission Fluid Pressure Sensor/Switch "D" Circuit Range/Performance.
● P0944-00 - Loss Of Hydraulic Pump Prime.
Customers may also comment on one or more of the following:
● Hard shifting into gear.
● Vehicle enters into limp home mode.

CAUSE:

Rear selective thrust bearing cracking

This bulletin supersedes Technical Service Bulletin (TSB) 21-012-25 REV. D, date of issue July 8, 2025,
which should be removed from your files. All revisions are highlighted with **asterisks** and include
new LOPs.
This Technical Service Bulletin (TSB) has also been released as a Rapid Service Update (RSU) 25-018,
date of issue February 21, 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 checking for DTCs and possibly replacing the transmission.

B21 FSAR-TSB-6645

-2-

CLAIMS DATA:

Labor Operation No:
21-00-33-93
21-00-33-94

Failure Code

Labor Description
Transmission - Inspect
(3 - Highly Skilled)
Transmission - Inspect
and Replace
(3 - Highly Skilled)
ZY

Skill Category
21 - Transmission

Labor Time
0.2 Hrs.

21 - Transmission

3.3 Hrs.

Service Action

RELATED LOPS:

Labor Operation No:
**21-00-33-60
21-00-33-61

Labor Description
4x4 Equipped
(3 - Highly Skilled)
Skid Plate Equipped
(3 - Highly Skilled)

Skill Category
21 - Transmission

Labor Time
1.0 Hrs.

21 - Transmission

0.1 Hrs.**

Description
Automatic Transmission
68RFE
Torque Converter Bolts
Fluid, Auto Transmission
ATF+4, Quart, Standard
MS 9602-F

Notes

SPARE PARTS:

Qty
1
6
(AR)

Part No.
68745049AA - Mopar
7098212 - EMEA
K06508406AA
K68424066AA

Transmissions come
prefilled and only
require a top off of fluid

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, 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.

-3-

B21 FSAR-TSB-6645

SPECIAL TOOLS/EQUIPMENT:

Description
wiTECH or Equivalent
Disconnect Tool

Ref. No.
9546

Notes
Essential Tool

REPAIR PROCEDURE:
1. Are any of the DTCs listed above present?
● YES >>> Proceed to Step 2.
● NO >>> This bulletin does not apply. Use Inspect LOP (21-00-33-60) to close the active RSU.
2. Replace the transmission. Refer to the detailed service procedures available in DealerCONNECT/Service
Library under: Service Info> 21 - Transmission and Transfer Case / Automatic - 68RFE / Removal and
Installation.
3. Using wiTECH, perform a Quick Learn Procedure.
4. Clear DTCs.
NOTE: 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.