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.
Memory Seat Module (MSM) Definitions
Battery Voltage: The scan tool displays 0-16 volts.
The level of battery voltage at the module.
Current: The scan tool displays 0-127.5 amps. The current measured during seat operation.
Belt Tower Down: The scan tool displays Inactive/Active. When the seat belt tower down switch is activated, the scan tool will momentarily display Active.
Belt Tower Up: The scan tool displays Inactive/Active. When the seat belt tower up switch is activated, the scan tool will momentarily display Active.
Belt Tower Sensor: The scan tool displays 0-5.0 volts or 0-255 A/D. The sensor potentiometer provides an analog voltage which varies directly with the belt tower position. High scan tool values, volts or A/D, indicate that the belt tower is in the up position and low values indicate that the belt tower is in the down position.
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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.