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.
Circuit Description
The body control module (BCM) controls the automatic transmission shift lock control solenoid. Battery positive voltage is supplied to the automatic transmission shift lock control solenoid. The BCM controls the automatic transmission shift lock control solenoid ground circuit. When the driver pressed the brake pedal the BCM removes the ground for the automatic transmission shift lock control solenoid. The solenoid de-energizes and releases the mechanical lock allowing the shift lever to be moved out of the PARK position.
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.