Engine-Codes - Generic - P1124

P1124 - Throttle Control Motor Relay Circuit Short

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

P1124 Possible Causes

  • Faulty Throttle Control Motor relay
  • Throttle Control Motor relay harness is open or shorted
  • Throttle Control Motor relay circuit poor electrical connection

How do I fix code P1124?

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 P1124 code

Labor: 1.0

The cost of diagnosing the P1124 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.

Possible Symptoms

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

P1124 Meaning

Power supply for the throttle control motor is provided to the Engine Control Module (ECM) via throttle control motor relay. The throttle control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not provided to the ECM.

P1124 More Information

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Information for specific makes

  • P1124 AUDI Long Term Fuel Trim Adjustment Bank 1 System Too Lean
  • P1124 BMW Differential Pressure Sensor Intake Manifold Adaptation
  • P1124 FORD Throttle Position Sensor Out of Self-Test Range
  • P1124 HYUNDAI Long Term Fuel Trim Error System Lean
  • P1124 INFINITI Throttle Control Motor Relay Circuit Short
  • P1124 LINCOLN Throttle Position Sensor Out of Self-Test Range
  • P1124 MERCURY Throttle Position Sensor Out of Self-Test Range
  • P1124 MINI Differential Pressure Sensor Intake Manifold Adaptation
  • P1124 NISSAN Throttle Control Motor Relay Circuit Short
  • P1124 VOLKSWAGEN Long Term Fuel Trim Adjustment Bank 1 System Too Lean

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