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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (P-HEV Hybrid Powertrain Control System (Diagnostics) (2 Of 2)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2120-12: Throttle/Pedal Position Sensor/Switch "D" Circuit Short To Auxiliary Battery >> General Description >> Overview Of Error

Overview Of Error

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Hybrid vehicle control ECU assembly calculates the accelerator pedal opening angle, using the voltage signals from the main sensor (VPA) and sub sensor (VPA2). Detect the malfunction of output voltage properties of the main sensor (VPA) and sub sensor (VPA2).

The following are possible causes of the error.