NHTSA ID Number: 11025513
Manufacturer Communication Number: S2503000004
TSB/Document Date: 2025-11-13
Summary
Front Axle Disconnect (FAD) Electrical Connector Design Change On Replacement Axle Assemblies.
Case Number: S2503000004
Release Date: November 2025
Symptom/Vehicle Issue: Front Axle Disconnect (FAD) Electrical Connector Design
Change On Replacement Axle Assemblies.
Discussion: There has been a design change to the FAD electrical connector on
replacement front axle assembly part number 68650450AA. When installing a
replacement axle using 68650450AA, you must also replace the FAD electrical
connector using part number 68148103AA which is a square style 4-pin connector.
Please follow the connector pinout information below (Figure 1) to locate the wires in
their correct positions when installing the new connector. Please refer to (Figure 2) for
current wiring diagram reference.
Figure 1.
1.
2.
3.
New Connector Design
Connector, Wire Insertion Side
Connector Face.
•
Pin 1 – Circuit F946, Fused Ignition.
• Pin 2 – Circuit G304, FAD Axle Lock Control.
• Pin 3 – Circuit G303, FAD Axle Lock Signal.
• Pin 4 – Z908, Ground.
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service Library
entry if no solution is found.
Stellantis US LLC
Version 4.5 07/22/2022
Figure 2.
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service Library
entry if no solution is found.
Stellantis US LLC
Version 4.5 07/22/2022
- The package includes: (1008 pieces /63 sets, including...
- Product material: the connector is made of high-strength...
- Performance: Easy installation under welding and crimping...
- Convenient installation: the buckle design ensures that the...
- Widely used: suitable for motorcycles, trucks, ships...
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TSB/Document ID: S2503000004
Replacement Service Bulletin Number:
MFR Communication Date: 2025-11-07
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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