Steering Actuator Malfunction
Table of contents
C15A3 TOYOTA Possible Causes
- Faulty Steering Actuator
- Steering Actuator harness is open or shorted
- Steering Actuator circuit poor electrical connection
- Faulty Steering Control ECU
How do I fix code C15A3 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 C15A3 TOYOTA code
The cost of diagnosing the C15A3 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)
C15A3 TOYOTA Description
The Steering Control ECU drives the actuator while the steering wheel is turned to set the gear ratio. It detects the current flowing into the actuator motor driving circuit. If the Steering Control ECU detects excessive current, it will store the Diagnostic Trouble Code (DTC) C15A3, turn on the master warning light, and stop Variable Gear Ratio Steering (VGRS).