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.
Control Units
/PCM Behind center of dash. See Figure. ELD Unit On under-hood fuse/relay box. See Figure. Electrical Compass Unit Right side of rear shelf. See Figure. Fuel Pump Control Module Left side of trunk. See Figure. Hands Free Control Unit Front of roof. See Figure. Immobilizer Control Unit Receiver On right side of steering column. See Figure. Keyless Receiver Unit Under left side of dash. See Figure. MICU On under-dash fuse/relay box. See Figure. Moonroof Control Unit Rear of roof. See Figure. Navigation Unit In trunk, below left side of package tray. See Figure. ODS Unit On left side of front passenger's seat. See Figure. Power Mirror Control Unit Under left side of dash. See Figure. Power Seat Control Unit Under driver's seat. See Figure. SRS Unit Under lower middle of dash. See Figure. Throttle Actuator Control Module Behind glove box. See Figure. TPMS Control Unit Behind left rear seat back. See Figure. VSA Modulator Unit On right side of engine compartment. See Figure. XM Antenna Connector Rear of roof. See Figure.
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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.