DTC Descriptors
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. 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