P2115: Throttle/Pedal Position Sensor D Minimum Stop Performance

What does P2115 mean?

Here the controller judges position signal D at the released (minimum) end of travel. On Ford and GM drive-by-wire systems D is the first accelerator pedal sensor, so the code means the pedal's idle reading is outside the expected window, for example because the pedal does not return fully or its sensor track has shifted. No manufacturer documents P2115 publicly; Ford and GM publish only circuit and correlation codes for D (P2120-P2123, P2138). P2116 and P2117 are the E and F counterparts, P2109 and P2113 refer to A and B. The engine may not return to idle cleanly, and the ECU may limit pedal response.

The code tells you which monitor failed, not which part is broken. Test before replacing parts.

Symptoms

• Warning lamp on
• Engine does not drop to normal idle when the pedal is released
• Dull or limited pedal response

Common causes

• High Pedal blocked by floor mat or weak return spring
• Medium Worn pedal sensor track D at the idle end
• Low Aftermarket pedal tuning module or wrong pedal part
• Low Corroded or loose pedal connector

Likelihood is a general estimate across vehicles; your make and model may differ.