P2125

Throttle/Pedal Position Sensor/Switch E Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine operation
Power Loss
Check Engine light comes on
Acceleration problems
The engine goes into emergency mode

Causes

Gas pedal position sensor malfunction
Open or short circuit in the circuit
Poor contact in the sensor connector
Engine control unit (ECU) malfunction
Wiring harness damage

How to Fix

Check the integrity of the sensor circuit
Inspect connectors and contacts for corrosion or damage
Check sensor resistance and voltage
Replace the gas pedal position sensor if necessary
Calibrate the sensor after replacement

Related codes

P2122 P2127 P2128