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.
Transmission Control Module, Vehicle Electrical System Control Module, Data Bus On Board Diagnostic Interface, Engine/Motor Control Module
J217
Transmission Control Module
J519
Vehicle Electrical System Control Module
J533
Data Bus on Board Diagnostic Interface
J623
Engine/Motor Control Module
T17c
17-Pin Connector, Brown
T17i
17-Pin Connector, Brown
T32c
32-Pin Connector, Black
T73a
73-Pin Connector, Black
T81a
81-Pin Connector, Black
TIUL
Coupling Point in Interior, Bottom Left
B273
Positive Connection (15) (in Main Wiring Harness)
D51
Positive Connection 1 (15) (in Engine/Motor Compartment Wiring Harness)
E155
Connection 1 (CAN Bus Automatic Transmission Control Module, High)
E156
Connection 1 (CAN Bus Automatic Transmission Control Module, Low)
*
Refer to Applicable Engine Wiring Diagram
*2
Refer to the Applicable Transmission CAN Bus Network Data Bus 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.