What is Code P2135? A Guide to Understanding this Common Diagnostic Trouble Code
Code P2135 is a generic trouble code that indicates an issue with the Throttle/Pedal Position Sensor/Switch “A” / “B” Voltage Correlation. This code is typically triggered when the Engine Control Module (ECM) detects a discrepancy in the voltage signals between the two throttle position sensors. This can be caused by a malfunction within either of…