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.
DTC B1602: CAN Error: General Description
Power tailgate is an electro-mechanical system designed to provide power opening and closing of the tailgate through the push of a button of a remote key (fob), console switch, inner switch or an outside handle switch of the tailgate.
The power tailgate will reverse direction of travel if resistance to movement is detected while the tailgate is being opened or closed.
PTM ("POWER TAIL GATE CONTROL MODULE") is connected to the body electrical system modules/units via the B_CAN communication network to send and receive the data.
NO RELATED
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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.