Engine-Codes - Infiniti - P1238 INFINITI

P1238 INFINITI - Electric Throttle Control Actuator

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P1238 INFINITI Possible Causes

  • Faulty Electric Throttle Control Actuator
  • Throttle plate sticking due to carbon build-up
  • Electric Throttle Control Actuator harness is open or shorted
  • Electric Throttle Control Actuator poor electrical circuit connection

How is the P1238 INFINITI code repair?

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 P1238 INFINITI code

Labor: 1.0

The cost to diagnose the P1238 INFINITI 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.

When is the code detected?

The P2119 code is detected when electric throttle control actuator does not function properly due to the return spring malfunction or Engine Control Module (ECM) detect the throttle valve is stuck open.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • No throttle pedal response

P1238 INFINITI Meaning

Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc. The throttle control motor is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve.
The throttle position sensor detects the throttle valve position, and feeds the voltage signal to the ECM. The ECM judges the current opening angle of the throttle valve and controls the throttle valve opening angle in response to driving conditions via the throttle control motor.

More Information

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