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.
Test 15D - OTIS Estimated Time Problem
Turn ignition off. Disconnect Body Controller Module (BCM) Bone connector. Module is located behind right kick panel. With DRB-II in voltmeter mode, check voltage on BCM Bone connector terminal No. 13, ignition feed (run) circuit (Dark Blue/White wire). Turn ignition on. If voltage is more than 10 volts, replace BCM. Perform VERIFICATION PROCEDURE VER-1. If voltage is less than 10 volts, repair open circuit in Dark Blue/White wire. Perform VERIFICATION PROCEDURE VER-1.
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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.
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