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2003
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CTS Automatic
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Engine Controls - Self-Diagnostics
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DTC P2100: Throttle Control System - Excessive Pulse Width Modulation Detected
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Conditions For Running DTC
Conditions For Running DTC
The ignition is ON.
The Engine Coolant Temperature (ECT) is 41-212°F (5-100°C).
The Intake Air Temperature (IAT) is more than 41°F (5°C).
The battery voltage is more than 10 volts.