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P1127 Toyota Code - ETCS Actuator Power Source Circuit Malfunction

- Code Popularity: 68,824 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P1127 Toyota?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
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How to Fix the DTC P1127 Toyota?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1127 Toyota code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1127 Toyota Description

Battery 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.

OBDII Code P1127 Toyota - ETCS Actuator Power Source Circuit Malfunction - AutoCodes.com
P1127 Toyota Code - ETCS Actuator Power Source Circuit Malfunction

Need More Information on the Code?

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Code P1127 Toyota comments

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