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DTC 25 - TRAC Sub-Throttle Valve: DTC Detecting Condition

Sub-throttle sensor signal voltage is 1.3 volts or greater than required step count. Possible causes are:

Sub-throttle actuator.
Throttle body (faulty valve).
Sub-throttle position sensor.
Sub-throttle position sensor open or short circuit.
Engine Control Module (ECM).
TRAC ECU.