2016 Ford Ranger -- P2138 Accelerator Pedal Position Sensor Code 7 Symptoms Of A Bad App

Author Dalbo 11 Jun 2026

Diagnose and repair dtc p2138 A p2138 code is set when the ecm/pcm detects that the signals from the two throttle position. Master multimeter checks, pinpoint wiring issues, and correctly replace the accelerator sensor system.

Accelerator Pedal Position Sensor, 6 Pin Wiring Diagram, & Types

2016 Ford Ranger -- P2138 Accelerator Pedal Position Sensor Code 7 Symptoms Of A Bad App

This guide will walk you through the precise steps to identify the source of the sensor mismatch and perform the targeted repairs required to clear the p2138 code. Throttle/pedal position sensor/switch d/e voltage correlation Learn this diagnostic trouble code’s meaning, possible causes, and common symptoms.

The p2138 code indicates a problem with the correlation between the two accelerator pedal position sensors in the vehicle

P2138 code means throttle/pedal position sensor correlation error causing limp mode and poor acceleration Fix p2138 codes fast and save $600+. Our mechanic breaks down the p2138 code (“throttle/pedal position sensor/switch d/e voltage correlation”) and shows you how to diagnose and fix it. Quick answer the p2138 ford diagnostic trouble code (dtc) indicates a correlation issue between the throttle/pedal position sensor and switch 'd' and 'e' in the vehicle's electronic control system

Drivers who encounter a p2138 fault quickly notice that the vehicle’s throttle does not behave as expected The check‑engine light illuminates, and a “throttle position sensor” warning may appear on. The p2138 trouble code is a diagnostic code that indicates an issue with the throttle/pedal position sensor/switch circuit How to fix a p2138 code