NUMBER:
GROUP:
DATE:

23-006-22 REV. B
23 - Body
March 4, 2022

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.

This bulletin supersedes Technical Service Bulletin (TSB) 23-006-22 REV. A, date of issue
February 09, 2022, which should be removed from your files. All revisions are
highlighted with **asterisks** and include a revised overview, additional and updated repair
procedure steps, Note, parts table and LOPs.
This Technical Service Bulletin (TSB) has also been released as a Rapid Service Update
(RSU) 22-026, date of issue February 08, 2022. All applicable Sold and Un-Sold 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. This RSU will expire 18 months after the date of issue.
SUBJECT:
Heated Seat Calibration Update
OVERVIEW:
This bulletin involves updating the HVAC module with the latest software **for vehicles built before
January 05 2022**, checking the operation of the front heated seats and repair as required.
MODELS:
2022

(WS)

Grand Wagoneer/Wagoneer

NOTE: This bulletin applies to vehicles within the following markets/countries: North
America.
NOTE: This bulletin applies to vehicles equipped with Heated Front Seats (Sales Code JPM).
SYMPTOM/CONDITION:
Customers may comment on the following:
• Front row heated seats (driver and/or passenger) will not stay on and shuts itself off in less
then 15 minutes while occupied.
NOTE: **Customers will not experience a Malfunction Indicator Lamp (MIL) illumination
or Diagnostic Trouble Codes (DTCs) for this symptom/condition.**

23-006-22 REV. B

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**PARTS REQUIRED:
Qty.
(AR)

Part No.
68417670AB

Description
Wagoneer - Seat Back Foam Right Without
Sales Codes RHH and RTC

(AR)

68417671AB

(AR)

68417677AB

(AR)

68417676AB

Wagoneer - Seat Back Foam Left Without Sales
Codes RHH and RTC
Wagoneer - Seat Back Foam Left With Sales
Codes RHH and RTC
Wagoneer - Seat Back Foam Right With Sales
Codes RHH and RTC

(AR)
(AR)

68417895AC
68552759AB

Wagoneer - Element, Heated Seat - Seat Back
Hog Rings (28 per seat – 10 per pack)**

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. This RSU only applies
to vehicles on the RSU VIN list.
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 Electronic Climate Control (ECC)/Heating, Ventilation, & Air Conditioning
(HVAC) module with the latest software. Detailed instructions for flashing control modules using
the wiTECH Diagnostic Application are available by selecting the application’s “HELP” tab.
2. Is the vehicle a Sold vehicle?
• YES>>> The vehicle is a Sold vehicle. Proceed to Step 3.
• NO>>> The vehicle is an Unsold vehicle. Proceed to Step 4.
3. Check for DTCs using the following steps:
a. If no DTCs are found and the customer has not complained about the heated seats shutting
off, no further action is necessary. This bulletin has been completed.
b. If there is an active DTC, or a customer complaint, for Wagoneer Only, proceed to
Step 10.
c. If there is only stored DTCs, proceed to Step 4.
4. Start the vehicle.
5. Adjust the driver or passenger seat to a comfortable angle.

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23-006-22 REV. B

6. Turn on the cushion and back seat heat by pushing the heat seat logo until three red indicator
bars (high setting) are shown (Fig. 1) .
7. Ensure both cushion and back heat seat are both on by pushing the seat zone button until two
red indicator bars are shown (Fig. 1) .

Fig. 1
Heated Seat Buttons With Red Indicators

8. **Verify the vehicle build date:
• For Sold or Unsold vehicles with build dates from October 27, 2021 (MDH 1027XX) through
January 26, 2022 (MDH 0126XX), run the heated seat Occupied for 10 minutes.
• For Sold or Unsold vehicles with build dates from June 01, 2021 (MDH 0601XX) through
October 26, 2021 (MDH 1026XX), run the heated seat Occupied for 20 minutes.**
NOTE: Do not automatically replace both Wagoneer heated seat back covers. Only replace
Wagoneer heated seat back cover(s) that turn off before the 10 or 20 minute time
period.
9. Did all the red indicator bars on the heated seat buttons (Fig. 1) stay activated after 10 or 20
minutes?
• YES>>> This bulletin has been completed. Use LOP (18-50-10-AH) or LOP (18-50-10-AG)
depending on build dates, to close the active RSU.
• NO>>> One or more red indicator bars turned off before 10 or 20 minutes. **For Wagoneer
Only, proceed to Step 10.
For Grand Wagoneer Only, use LOP (18-50-10-AE) to close the active RSU and refer to
Service Library for diagnosis and repair procedures.**

23-006-22 REV. B

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NOTE: Only replace seat backs, or cushions and heater mats for Wagoneer Only. Do not
replace seat backs, or cushions and heater mats under this service bulletin.
10. **Replace the seat backs and heater mats for the affected seats based on the DTCs listed
below:
• B1E99-13 - (Left Side Back) - Front Left Heater Control 1-Circuit Open. Refer to the detailed
service procedures available in DealerCONNECT/Service Library under: Service Info>23 Body / Seats, Front / Panel, Seat Back / Removal and Installation.
• B1E9A-13 - (Right Side Back) - Front Right Heater Control 1-Circuit Open. (Replace The
Right Side Back). Refer to the detailed service procedures available in DealerCONNECT/
Service Library under: Service Info>23 - Body / Seats, Front / Panel, Seat Back / Removal
and Installation.
• B1F10-13 - (Left Side Cushion)- Front Left Heater Control 2-Circuit Open. Refer to Service
Library for further diagnosis and repair Use LOP (18-50-10-AE) to close the active RSU.
• B1F11-13 - (Right Side Cushion)- Front Right Heater Control 2-Circuit Open. Refer to
Service Library for further diagnosis and repair Use LOP (18-50-10-AE) to close the active
RSU.**
11. Clear any DTCs that may have been set in any modules due to reprogramming. The wiTECH
application will automatically present all DTCs after the flash and allow them to be cleared.
12. Repeat Step 4 through Step 9 for the passenger seat.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation
No:
18-50-10-AE

**18-50-10-AH

18-50-10-AG

Description

Skill Category

Amount

Module, Heating Ventilation Air Condition- 6 - Electrical and
Body Systems
ing (HVAC) - Reprogram and Verify
Heated Seat Functionality
(0 - Introduction)

1.1 Hrs.

6 - Electrical and
Body Systems

0.8 Hrs.

6 - Electrical and
Body Systems

1.1 Hrs.

Module, Heating Ventilation Air Conditioning (HVAC) - Reprogram and Verify
Heated Seat Functionality (Build Dates
from 10/27/2021 - 01/26/2022)
(0 - Introduction)
Module, Heating Ventilation Air Conditioning (HVAC) - Reprogram and Verify
Heated Seat Functionality (Build Dates
from 06/01/2021 - 10/26/2021)
(0 - Introduction)

NOTE: The expected completion time for the flash download portion of this procedure is
approximately 5 minutes. Actual flash download times may be affected by vehicle
connection and network capabilities.

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23-006-22 REV. B

RELATED LOPS:
Labor Operation
No:
18-50-10-51
18-50-10-50

Description

Skill Category

Amount

Seat Back - Replace (Right Side)
(0 - Introduction)

6 - Electrical and
Body Systems

1.8 Hrs.

Seat Back - Replace (Left Side)
(0 - Introduction)

6 - Electrical and
Body Systems

1.8 Hrs.**

FAILURE CODE:
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.
RF

Required Flash - RSU

CC

Customer Concern