Power Source Control ECU Communication Line Malfunction
Table of contents
C2312 TOYOTA Possible Causes
- Faulty Transmission Control ECU Assembly
- Faulty Power Source Control ECU
- Transmission Control ECU harness is open or shorted
- Transmission Control ECU circuit poor electrical connection
How do I fix code C2312 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 C2312 TOYOTA code
The cost of diagnosing the C2312 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
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C2312 TOYOTA Description
The Transmission Control ECU Assembly receives power switch condition signals (OFF / ACC / IG) from the Power Source Control ECU. The Transmission Control ECU Assembly outputs this Diagnostic Trouble Code (DTC) when it does not receive the signals.