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.
2004 Acura TL AutomaticFACTORY OEM SERVICE PROCEDURE
DTC Troubleshooting: Notes
DTC INDEX
| DTC | Description |
|---|---|
| DTC B1125 | Driver's Power Window Motor A Pulse Error |
| DTC B1126 | DRIVER'S POWER WINDOW MOTOR B PULSE ERROR |
| DTC B1130 | Front Passenger's Power Window Motor A Pulse Error |
| DTC B1131 | Front Passenger's Power Window Motor B Pulse Error |
| DTC B1140 | Driver's Power Window Position Detect Circuit Error |
| DTC B1141 | Door Multiplex Control Unit Lost Communication with Front Passenger's Power Window Switch (UART line short) |
| DTC B1142 | Door Multiplex Control Unit Lost Communication with Front Passenger's Power Window Switch (UART line open) |
| DTC B1143 | Door Multiplex Control Unit Internal Error (EEPROM error) |
| DTC B1145 | Front Passenger's Power Window Position Detect Circuit Error |
| DTC B1146 | Front Passenger's Power Window Switch Malfunction |
Factory Service Tools
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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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