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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 P0191, P0192, P0193, P127C, P128A, P128B, P16E4 Or P16E5: Fuel Rail Pressure Sensor/Sensor Communication Circuit >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
5 V Reference P0192*, P127C*, P0641** P128C, P128D, P128F, P16E4, P16E5 P0641**, P16E5 P0191*, P128A*, P128B*
Signal P16E4 P16E5 P16E5 P0191, P128A, P128B
Low Reference - P16E5 - P0191, P128A, P128B
*This DTC sets when there is an internal component issue:B310 Fuel Pressure/Temperature Sensor
**Additional DTCs may set.
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