P2134 OBD-II Trouble Code: Throttle/Pedal Position Sensor/Switch F Circuit Intermittent

Check Engine Light

What the P2134 code means?

P2134 is an OBD-II generic code for the engine control module (ECM) detecting the throttle pedal position sensor F has an intermittent sensor return to the ECM

What causes the P2134 code?

  • The ECM monitors the throttle position sensor (TPS) and has detected the F sensor circuit is intermittent when compared to the other TPS signals.

  • The sensor has an internal fault.

  • The sensor circuit or connector has a loose or broken connection.

What are the symptoms of the P2134 code?

  • The Check Engine light will be illuminated and the code is set in ECM memory as a fault. The light will stay on unless the problem goes away for more than three running cycles.

  • The TPS has redundant sensors for the throttle position and may not have a drive complaint on some vehicles.

  • On some vehicles, the vehicle may go into limp home mode and limit the throttle opening and throttle response.

  • The vehicle may hesitate surge or buck on acceleration.

How does a mechanic diagnose the P2134 code?

  • Scans for codes and documents the code in the ECM and looks at the freeze frame data for failure.

  • Checks the TPS wiring and connection for loose or corroded connectors.

  • Scans and views data from the TPS while operating throttle to see if the sensor is failing.

  • Follows the manufacturer pinpoint tests for the diagnosis and replacement of the TPS.

Common mistakes when diagnosing the P2134 code?

  • Clearing ECM memory codes before checking the freeze frame data for the main failure problem, so the failure may be duplicated and repaired

  • Failing to clear the ECM codes after the codes are fixed

  • Replacing the TPS without verifying the sensor has a problem

How serious is the P2134 code?

Code P2134 is a problem with the TPS and this can cause no throttle control problems and should be fixed immediately. The TPS is needed to control the throttle opening and closing.

What repairs can fix the P2134 code?

  • Replace the TPS.
  • Repair the connector pins of corrosion or loose connections at the TPS or the ECM.

Additional comments for consideration regarding the P2134 code

Code P2134 is for a code that may be used on gas and diesel engines and may have different meanings for different manufacturers. Make sure to use the pinpoint tests for the manufacturer and code you have received. Not many vehicles have a sensor F for a TPS and may use the code for another meaning.

Need help with a P2134 code?

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The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

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