P1127 TOYOTA - ETCS Actuator Power Source Circuit Malfunction
P1127 TOYOTA Possible Causes
- Faulty Electronic Throttle Control System (ETCS) Actuator
- Electronic Throttle Control System (ETCS) Actuator harness is open or shorted
- Electronic Throttle Control System (ETCS) Actuator circuit poor electrical connection
How do I fix code P1127 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 P1127 TOYOTA code
Labor: 1.0The cost of diagnosing the P1127 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
P1127 TOYOTA Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1127 TOYOTA MeaningBattery positive voltage is supplied to terminal +BM of the Engine Control Module (ECM) even once when the ignition switch is OFF for the electric Electronic Throttle Control System (ETCS) control system.
If the P1127 code is stored, the ECM shuts down the power for the ETCS motor and the magnetic clutch, and the ETCS valve is fully closed by the return spring.
However, the opening angle of the ETCS valve can be controlled by the accelerator pedal through the ETCS cable.
P1127 TOYOTA More InformationNeed more information on how to fix the P1127 TOYOTA code?
Get Access to Factory Service Manuals