Throttle position

Last reviewed 2026-08-31

Description

How far the throttle is open (relative). On drive-by-wire cars this may differ from accelerator pedal position.

Unit

%

Group

operating

Protocol requests

The same meaning can arrive through different mode + PID + ECU header combinations. Do not merge by hex number alone.

• Throttle position

  Relative throttle position. Absolute / pedal PIDs are 45 and 49–4B.

  OBD · mode 01 · PID 11 · default header · primary

  Source label: Standard J1979 mapping