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.
Driver Position Memory
/NE signal) DTC B1806 Power Seat Control Unit Lost Communication with MICU (MICU Message) DTC B1807 Power Seat Control Unit Lost Communication with MICU (Door Switch Message) DTC B1808 Power Seat Control Unit Lost Communication with Gauge Control Module (A/T Message) DTC B1809 Power Seat Control Unit Lost Communication with Door Multiplex Control Unit (Memory Switch Message) DTC B1825 Power Seat Slide Motor Pulse Error DTC B1826 Power Seat Front Up-down Motor Pulse Error DTC B1827 Power Seat Rear Up-down Motor Pulse Error DTC B1828 Power Seat Recline Motor Pulse Error DTC B1829 A/T P Signal and VSS Signal Mismatch DTC B1830 Right Mirror Horizontal Sensor Malfunction DTC B1831 Right Mirror Vertical Sensor Malfunction DTC B1832 Left Mirror Horizontal Sensor Malfunction DTC B1833 Left Mirror Vertical Sensor Malfunction DTC B1834 M/T Harness Poor Ground DTC B1837 Power Seat Position Memory Recall Error DTC B1843 Power Seat Control Unit lost communication with other units (UART communication error)
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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