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.
DTC 73: Mechanical Lock Not Detected Error: Description
During access seat mode swivel operation in the egress direction, while in the swivel terminal position of the swivel motor (mechanical lock detection area), the seat turn lock plate sub-assembly contacts the turn table panel sub-assembly, and the position control ECU assembly detects an excessive load condition for the swivel motor.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| 73 | During access seat mode operation in the egress direction, the swivel motor passes the upper limit mechanical lock area but excessive load is not detected | Seat turn lock plate sub-assembly |
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.