Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Fuel Pump Control Module, Engine/Motor Control Module, Fuse Panel B
J538
Fuel Pump Control Module
J623
Engine/Motor Control Module
SB
Fuse Panel B
SB29
Fuse 29 (On Fuse Panel B)
T4du
4-Pin Connector, Black
T4dv
4-Pin Connector, Black
T6aj
6-Pin Connector, Black
T17d
17-Pin Connector, Red
T17j
17-Pin Connector, Red
TIUL
Coupling Point in Interior, Bottom Left
TKFE
Fuel Delivery Unit Coupling Point
427
Ground Connection 3 (in Right Rear Wiring Harness)
638
Ground Connection on Right A-Pillar
*
Refer to Applicable Wiring Diagram for Fuses in Engine/Motor Compartment
*2
Refer to Applicable Engine Wiring Diagram
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.