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.
Electric Drive Power And Control Electronics, Data Bus On Board Diagnostic Interface, Battery Regulation Control Module, Thermal Management Control Module, Telematics Interface Control Module
JX1
Electric Drive Power and Control Electronics
J533
Data Bus on Board Diagnostic Interface
J840
Battery Regulation Control Module
J1024
Thermal Management Control Module
J1221
Telematics Interface Control Module
T20n
20-Pin Connector, Brown
T28a
28-Pin Connector, Black
T28b
28-Pin Connector, Black
T40b
40-Pin Connector, Black
B776
Hybrid CAN Bus High Connection 1 (in Main Wiring Harness)
B777
Hybrid CAN Bus Low Connection 1 (in Main Wiring Harness)
P22
CAN Bus High-Voltage Battery High Connection (in Main Wiring Harness)
P23
CAN Bus High-Voltage Battery Low Connection (in Main Wiring Harness)
*
For Vehicles with Hybrid Drive
*2
For Vehicles with China Equipment
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.