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.
SYS.OK|MANUAL.DB● LIVE
2008 Acura RL
Power Windows
2008 Acura RLSECTION Power Windows
- Component Location Index
- System Description
- Circuit Diagram
- Resetting the Power Window Control Unit
- DTC Troubleshooting
- DTC B1132: Left Rear Power Window Motor Pulse A Error
- DTC B1133: Left Rear Power Window Motor Pulse B Error
- DTC B1134: Right Rear Power Window Motor Pulse A Error
- DTC B1135: Right Rear Power Window Motor Pulse B Error
- DTC B1136: Right Rear Power Window Switch Internal Error; DTC B1148: Left Rear Power Window Switch Internal Error
- DTC B1147: Left Rear Power Window Position Detect Circuit Error; DTC B1149: Right Rear Power Window Position Detect Circuit Error
- DTC B2175: Driver's Power Window Motor Pulse A Error
- DTC B2176: Driver's Power Window Motor Pulse B Error
- DTC B2177: Front Passenger's Power Window Motor Pulse A Error
- DTC B2178: Front Passenger's Power Window Motor Pulse B Error
- DTC B2187: Communication Line (UART Line) Circuit Short
- DTC B2188: Communication Line (UART Line) Circuit Open
- DTC B2189: Driver's Power Window Position Detect Circuit Error
- DTC B2190: Front Passenger's Power Window Position Detect Circuit Error
- DTC B2191: Front Passenger's MPCS Unit Internal (EEPROM) Error
- Driver's MPCS Unit Input Test
- Front Passenger's MPCS Unit Input Test
- Left Rear Power Window Switch Input Test
- Right Rear Power Window Switch Input Test
- Power Window Motor Test
- Power Window Master Switch Replacement
- Passenger's Power Window 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.