Engine-Codes - Lexus - P1127 LEXUS

P1127 LEXUS Code - ECTS Actuator Power Source Circuit Malfunction

- Code Popularity: 17,392 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
Table of contents

|What are the Possible Causes of the P1127 LEXUS Code?

  • 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 to Fix the P1127 LEXUS Code?

Start by checking 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.

|What is the cost to diagnose the P1127 LEXUS code?

Labor: 1.0

The cost to diagnose the P1127 LEXUS code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P1127 LEXUS code possible symptoms?

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

|What Does the P1127 LEXUS Code Mean?

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.

ECTS Actuator Power Source Circuit Malfunction

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