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P2119 Throttle Actuator Control Range/Performance Problem

The OBD2 code P2119 indicates that the throttle actuator is experiencing a range or performance issue, meaning it is not responding correctly to the engine control module's commands

Definition

The OBD2 code P2119 indicates that the throttle actuator is experiencing a range or performance issue, meaning it is not responding correctly to the engine control module's commands

Common causes

  • Faulty throttle actuator
  • Throttle position sensor malfunction
  • Wiring issues or damaged connectors
  • Vacuum leaks
  • Faulty engine control module (ECM)
  • Dirty or clogged throttle body
  • Malfunctioning accelerator pedal position sensor
  • Software issues or updates needed in the ECM

Common misdiagnoses

  • Throttle position sensor failure
  • Accelerator pedal position sensor issues
  • Faulty throttle body
  • Wiring or connector problems
  • Engine control module (ECM) failure
  • Vacuum leaks
  • Fuel delivery issues
  • Ignition system problems
  • Air intake system issues
  • Transmission problems

Troubleshooting steps

  1. 1. Check for Additional Codes

    Use an OBD-II scanner to check for any other trouble codes that may be present. Codes related to the throttle position sensor (TPS), mass airflow sensor (MAF), or other related systems can provide additional context

  2. 2. Inspect Throttle Body

  3. 3. Visually inspect the throttle body for any signs of dirt, carbon buildup, or physical damage

  4. 4. Clean the throttle body using an appropriate throttle body cleaner to remove any deposits that may be affecting its operation

  5. 5. Check Throttle Position Sensor (TPS)

  6. 6. Test the TPS for proper voltage and resistance. Ensure that it is functioning within the manufacturer's specifications

  7. 7. Look for any signs of wear or damage to the sensor or its wiring

  8. 8. Inspect Wiring and Connectors

  9. 9. Check the wiring and connectors related to the throttle actuator and TPS for any signs of damage, corrosion, or loose connections

  10. 10. Repair or replace any damaged wiring or connectors

  11. 11. Check for Vacuum Leaks

  12. 12. Inspect the intake system for any vacuum leaks that could affect the air-fuel mixture and throttle response

  13. 13. Use a smoke machine or spray a small amount of carburetor cleaner around the intake manifold and vacuum hoses to identify leaks

  14. 14. Test Throttle Actuator

  15. 15. If applicable, test the throttle actuator for proper operation. This may involve checking the resistance and functionality of the actuator motor

  16. 16. Some vehicles may require a specific procedure to recalibrate or relearn the throttle position after repairs

  17. 17. Inspect Engine Control Module (ECM)

  18. 18. In rare cases, the ECM may be at fault. Check for any software updates or reprogramming that may be necessary

  19. 19. Ensure that the ECM is receiving proper input from the TPS and other related sensors

  20. 20. Perform a Throttle Body Relearn Procedure

  21. 21. After cleaning or replacing components, perform a throttle body relearn procedure as specified by the vehicle manufacturer. This can often be done using an OBD-II scanner or by following specific steps outlined in the service manual

  22. 22. Test Drive the Vehicle

  23. 23. After completing the above steps, take the vehicle for a test drive to see if the code returns. Monitor the throttle response and engine performance during the drive

  24. 24. If the issue persists, consult the vehicle's service manual for specific diagnostic procedures and specifications related to the throttle control system. If you are not comfortable performing these steps or if the problem persists after your troubleshooting, it may be best to consult a professional mechanic for further diagnosis and repair