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.
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HOMESERVICE MANUALSACURA2008RLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 74 (DRIVER POSITION MEMORY SYSTEM (DPMS))
2008 Acura RL
Section 74 (Driver Position Memory System (DPMS))
2008 Acura RLSECTION Section 74 (Driver Position Memory System (DPMS))
WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
- Component Location Index
- System Description
- Circuit Diagram - Power Seat
- Circuit Diagram - Power Mirror
- General Troubleshooting Information
- System Input Test and Function Test
- Power Seat Control Unit Input Test
- Power Mirror Control Unit Input Test
- DTC Troubleshooting
- DTC B1802: Power Seat Control Unit Internal Error (EEPROM error)
- DTC B1805: Power Seat Control Unit Lost Communication with Gauge Control Module (VSP/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)
- Driver's Power Seat Motor Test
- Driving Position Memory Switch Test/Replacement
- Power Seat Adjustment Switch Test/Replacement
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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.