1400623

Technical Service Bulletin (TSB)
Fuel Tank and Fuel Delivery Module Replacement
REFERENCE:
TSB: 14-006-23
GROUP 14 - Fuel System
VEHICLES
AFFECTED:
2023 (JT) Jeep Gladiator
This bulletin applies to vehicles built on or after December 01, 2022
(MDH 1201XX) and built on or before February 20, 2023 (MDH
0220XX) equipped with a 3.6L V6 24V VVT Engine Up Grade I W/ESS
(Sales Code ERC).
Date:
July 29, 2023
CUSTOMER
SYMPTOM:
Customers may experience the following:
• Fuel gage reading incorrectly at 7/8 full after refueling.
CAUSE:
Fuel level sending unit float arm catching under vent line at top of tank.
REVISION: –
MARKET APPLICABILITY:
HNA
HMEA
HSA
HIAP
HEE
HCH
REPAIR SUMMARY:
This bulletin involves replacing the fuel tank and possibly the fuel delivery module.
CLAIMS DATA:
Labor Operation No:
Labor Description
Skill Category
Labor Time
14-60-01-9K
Tank, Fuel - Replace
(1 - Semi-Skilled)
1 - Engine Repair and
Performance
1.5 Hrs.
Failure code
ZZ
Service Action
Qty
Part No.
Description
1 (AR)
68332305AC
Tank, Fuel Assembly
1 (AR)
52030306AE
Module, Fuel Delivery
1 (AR)
55366298AA
O-ring
SPARE PARTS:
Notes
14-006-23
-2-
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.
REPAIR PROCEDURE:
1. Remove the existing fuel tank assembly. Refer to the detailed service procedures available in
DealerCONNECT> Service Library under: 09 - Engine, 3.6L / Fuel System / Tank, Fuel / Removal.
2. Using a multi meter, perform an electrical resistance test of the fuel delivery module in 2 level sensor
positions “empty stop” ( 51 Ohms) and “full stop” (992 Ohms) fuel delivery module electrical connector
pins “B” and “C” (Fig. 1) .
Fig. 1
Fuel Delivery Module
3. Did the fuel delivery module pass the electrical resistance test?
4.
5.
6.
7.
8.
• YES >>> Reuse the existing fuel delivery module. Proceed to Step 5.
• NO >>> Install a new fuel delivery module. Proceed to Step 4.
Replace the fuel pump delivery module with a new O-ring and module into the new fuel tank. Refer to
the detailed service procedures available in DealerCONNECT> Service Library under: 09 - Engine, 3.6L
/ Fuel System / Modules / Removal and Installation
Install the existing fuel delivery module with a new O-ring into the new fuel tank.
Install new the fuel tank assembly. Refer to the detailed service procedures available in
DealerCONNECT> Service Library under: 09 - Engine, 3.6L / Fuel System / Tank, Fuel / Installation.
Fill the new fuel tank with the removed fuel from the old fuel tank.
Start the vehicle, verify no fuel leaks.
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.