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  1. P2138 Code Meaning, Causes, Symptoms & Tech Notes

    Aug 30, 2024 · The P2138 code indicates a problem with the correlation between the two accelerator pedal position sensors in the vehicle. These sensors are responsible for monitoring the position of …

  2. P2138 Throttle/Pedal Pos Sensor Voltage Correlation DTC

    The automotive trouble code P2138 throttle/pedal position sensor/switch D/E voltage correlation refers to a problem related to the throttle's ability to open and close properly. In the 1990's automotive …

  3. P2138 code – Throttle/Pedal Position Sensor/Switch D/E ...

    Dec 9, 2024 · What does the P2138 code mean? The P2138 code indicates a problem with the throttle or pedal position sensor. Specifically, it points to an issue with the correlation of voltage between …

  4. P2138 - Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage ...

    OBD-II Code P2138 is defined as a Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation. The Throttle Position Sensor/Switch is located on the Throttle Body of the Intake Manifold and the …

  5. P2138 Code: Throttle Position Sensor Issue (Causes and How to ...

    5 days ago · This article will look at the possible causes of a P2138 code being stored, its seriousness, as well as the steps you should take to properly fix and clear this code.

  6. How to Fix a P2138 Code: Throttle/Pedal Position Sensor

    Jan 3, 2026 · The P2138 code, formally defined as “Throttle/Pedal Position Sensor/Switch ‘D’/’E’ Voltage Correlation,” signals a significant communication failure within your vehicle’s electronic throttle …

  7. P2138 Code? Here's How to Fix It Fast (Save $600+) | The ...

    This guide explains the P2138 code’s meaning, symptoms, causes, and step-by-step diagnostics to fix it like a pro—potentially saving you $600-$1,200 from overpriced throttle body and sensor repairs.