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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Engine Controls And Fuel - 5.3L (L83) Or 6.2L (L86) - DTC P0010 To DTC P0442) >> Diagnostic Information And Procedures >> DTC P0121, P0122, P0123, P0222, P0223, P16A0, P16A1, P16A2 Or P2135: Throttle Position Sensor/Sensor Communication Circuit >> Diagnostic Fault Information

Diagnostic Fault Information

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Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
5 V Reference P06A3 P0122*, P0222*, P16A0 P06A3 P0121, P16A2, P2135*
Signal P0122*, P0222*, P16A0 P0122*, P0222*, P16A1 P0123*, P0223*, P16A1** P0121, P16A2, P2135*
Low Reference - P0123*, P0223*, P16A1 - P0121, P16A2, P2135*
*This DTC set indicates an internal throttle body condition.
**A short to voltage causes P16A1 to set. If DTC P16A0, P16A1 and P16A2 set at the same time, an intermittent circuit condition exists.
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