Low Voltage Error Power Supply Malfunction
Table of contents
C2318 TOYOTA Possible Causes
- Faulty Auxiliary Battery
- HEV Fuse
- IGCT Relay
- Auxiliary Battery harness is open or shorted
- Auxiliary Battery circuit poor electrical connection
How do I fix code C2318 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 C2318 TOYOTA code
The cost of diagnosing the C2318 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)
C2318 TOYOTA Description
The Auxiliary Battery voltage is applied to terminal +B when the power switch is on (IG). The Transmission Control ECU outputs this Diagnostic Trouble Code (DTC) when the input voltage drops