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Home >> Chevrolet >> 2006 >> HHR LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.2L - DTC P0449 To P1516 >> DTC P060D >> Circuit Description
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Circuit Description

The throttle actuator control (TAC) system uses two accelerator pedal position (APP) sensors to monitor the pedal position. Two processors are also used to monitor the TAC system data. Both processors monitor each other's data to verify that the indicated APP calculation is correct.

If the indicated APP calculation is incorrect, DTC P060D sets