Technical Service Bulletin (TSB)
Power Transfer Unit (PTU) Broken Input Spline XJ1 Warranty
Extension
REFERENCE:

TSB: 21-014-23
GROUP 21 - Transmission and
Transfer Case

VEHICLES
AFFECTED:

2014 - 2017 (KL) Jeep Cherokee
This bulletin applies to vehicles built on or after April 14, 2014 (MDH
0414XX) and on or before October 10, 2016 (MDH 1010XX) equipped
with Jeep Active Drive II (Sales Code DK4).

Date:

June 7, 2023

REVISION: 21-017-21 REV. A

MARKET APPLICABILITY:
HNA
HMEA
HSA

HIAP

HEE

□CH

CUSTOMER
SYMPTOM:

Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation,
a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:
• P1720-00 - Output Speed Sensor Wheel Speed Rationality.
• P215C-00 - Output Shaft Speed Wheel Speed Correlation.

CAUSE:

Spline wear between the differential input splines and the transmission output shaft.

This bulletin supersedes Technical Service Bulletin (TSB) 21-017-21 REV. A, date of issue May 20,
2021, which should be removed from your files. All revisions are highlighted with **asterisks** and
include new LOPs and updated Policy.
REPAIR SUMMARY:
This bulletin involves replacing the PTU assembly with an updated part.
CLAIMS DATA:
Labor Operation No:

Labor Description

Skill Category

Labor Time

**21-41-00-94**

Power Transfer Unit
Assembly - Replace
(2 - Skilled)

2 - Transmission and
Transfer Case

2.7 Hrs.

2 - Transmission and
Transfer Case

4.0 Hrs.

NOTE: Includes setting
front toe and
centering steering
wheel where
applicable.
**21-41-00-95**

Power Transfer Unit
Assembly Replace (2.4L
Engine Only)
(2 - Skilled)
NOTE: Includes setting
front toe and
centering steering
wheel where
applicable.

Failure Code

CC

Customer Concern

21-014-23

-2-

RELATED LOPS:
Labor Operation No:

Labor Description

Skill Category

Labor Time

21-41-00-60

Skid Plate Equipped
(2 - Skilled)

2 - Transmission and
Transfer Case

0.3 Hrs.

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

Ref. No.

Notes

wiTECH or Equivalent

–

–

SPARE PARTS:
Qty

Part No.

Description

Notes

1

CXAHX891AA

Case, Power Transfer
Unit

Case and Nuts (Prefilled)

REPAIR PROCEDURE:
NOTE: The new PTU assembly comes with the actuator and is already filled with fluid.
1. Replace the PTU assembly. Refer to the detailed service procedures available in DealerCONNECT>
Service Library under: 21 Transmission and Transfer Case / Power Transfer Unit / Removal and
Installation.
2. Clear all DTCs that may have been set.
3. Test drive vehicle to verify repair and no grinding noise is present.
POLICY:
**Vehicles included in this Technical Service Bulletin have a warranty extension to 15 Years/Unlimited miles
from in service date warranty period for this repair. See Warranty Bulletins: U.S. D-23-10, Canada SAB
2023-14, Puerto Rico and US Virgin Island ID-23-11, for details associated with the Warranty Extension.**
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.