Power Window Switch Malfunction
Table of contents
B2312 TOYOTA Possible Causes
- Faulty Multiplex Network Master Switch
- Multiplex Network Master Switch harness is open or shorted
- Multiplex Network Master Switch circuit poor electrical connection
How do I fix code B2312 TOYOTA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B2312 TOYOTA code
The cost of diagnosing the B2312 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B2312 TOYOTA Description
The power window regulator motor consists of the motor, regulator and ECU. The power window regulator motor is driven by operating the power window switch. This Diagnostic Trouble Code (DTC) is stored when the ECU built into the regulator motor determines that the power window switch is stuck.