P2138 Code: Throttle Position Sensor Issue (Causes and How to Fix) Diagnostic trouble code P2138 indicates that a vehicle’s electronic throttle body is not responding as anticipated to ECM PCM input, as directed via a signal from the accelerator pedal position sensor However, to understand the significance of this situation, one must first grasp the inner workings of “ drive-by-wire ” throttle delivery
P2138 Code? Here’s How to Fix It Fast (Save $600+) - The Motor Guy A P2138 code means your car’s throttle position sensor and accelerator pedal position sensor signals don’t correlate properly, triggering the check engine light and potentially causing reduced power, limp mode, and dangerous acceleration problems if ignored
P2138 Code Meaning, Causes, Symptoms Tech Notes Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand The P2138 code indicates a problem with the correlation between the two accelerator pedal position sensors in the vehicle
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 manufacturers began industry-wide installation of "Drive by wire" throttle control technology
P2138 Throttle Pedal Pos Sensor Switch D E Voltage Correlation I have dealt with a stored code P2138 on many occasions and I have found that it means the powertrain control module (PCM) has detected a discrepancy in the voltage signal between a particular throttle position sensor (TPS) and a particular pedal position sensor (PPS) D E refers to a particular circuit, sensor, or area of a particular circuit
P2138 – Meaning, Causes, Symptoms, Fixes - FIXD Diagnose fix your check engine light! The voltage readings going to the Engine Control Module (ECM) from the throttle body position sensor and accelerator pedal position sensor do not match each other What Does P2138 Mean?
P2138 Code: Meaning, Symptoms, Causes Fixes - Mechanical Boost It triggers when your throttle position sensor or accelerator position sensor goes bad This article explains the P2138 code symptoms and causes What does the P2138 Code Mean? How To Diagnose the P2138 Code? What repairs can fix the P2138 Code? How serious is P2138 Code? Can I drive with a P2138 Code? How to reset a throttle pedal position sensor?