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CTS Automatic
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Engine Controls - Self-Diagnostics
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DTC P0121: Throttle Position Sensor Circuit Insufficient Activity
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Conditions For Setting DTC
Conditions For Setting DTC
The TP sensor 1 disagrees more than 6 percent from TP sensor 2.
The TP sensor 1 disagrees more than 9 percent from the predicted value.
The above conditions are met for 280 milliseconds.