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).
• Throttle Valve Motor Driver (LS400).
• TRAC ECU (Except LS400).