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.
Overload Protection
The seat and steering column motors receive E38 Shown operating power through the consumer cutoff/ overload protection relay module. The consumer cutoff signal from the GM signals the relay to maintain operating power to the consumers.
If the relay module detects an increase in amperage (overload) the relay will open. The relay module (K-72) is located in the electrical carrier behind the glove box. The relay is reset by switching the ignition "off" for 16 minutes, disconnecting the relay or the DISplus/ MoDIC.
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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.