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.
2009 Acura RLFACTORY OEM SERVICE PROCEDURE
Power Windows DTCS
DTC DESCRIPTION
| DTC | Description |
|---|---|
| B1132 | Left rear power window motor pulse A error |
| B1133 | Left rear power window motor pulse B error |
| B1134 | Right rear power window motor pulse A error |
| B1135 | Right rear power window motor pulse B error |
| B1136 | Right rear power window switch internal error |
| B1147 | Left rear power window position information error |
| B1148 | Left rear power window switch internal error |
| B1149 | Right rear power window position information error |
| B2175 | Driver's power window motor pulse A error |
| B2176 | Driver's power window motor pulse B error |
| B2177 | Front passenger's power window motor pulse A error |
| B2178 | Front passenger's power window motor pulse B error |
| B2179 | Driver's door key cylinder switch input circuit malfunction |
| B2180 | Driver's door lock switch input circuit malfunction |
| B2181 | Driver's door lock knob switch input circuit malfunction |
| B2182 | Left power mirror horizontal sensor signal error |
| B2183 | Left power mirror vertical sensor signal error |
| B2184 | Right power mirror horizontal sensor signal error |
| B2185 | Right power mirror vertical sensor signal error |
| B2186 | Front passenger's door lock switch input circuit malfunction |
| B2187 | Communication line (UART line) circuit short |
| B2188 | Communication line (UART line) circuit open |
| B2189 | Driver's power window position detect error |
| B2190 | Front passenger's power window position detect error |
| B2191 | Front passenger's MPCS unit internal (EEPROM) error |
Factory Service Tools
Use the Manual With the Right Hardware
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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.