DTC Descriptors
WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P0121
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Throttle Position Sensor 1 Performance
- DTC P0122
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Throttle Position Sensor 1 Circuit Low Voltage
- DTC P0123
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Throttle Position Sensor 1 Circuit High Voltage
- DTC P0222
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Throttle Position Sensor 2 Circuit Low Voltage
- DTC P0223
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Throttle Position Sensor 2 Circuit High Voltage
- DTC P16A0
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Sensor Communication Circuit Low Voltage
- DTC P16A1
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Sensor Communication Circuit High Voltage
- DTC P16A2
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Sensor Communication Circuit Performance
- DTC P2135
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Throttle Position Sensors 1-2 Not Plausible