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Home >> Buick >> 2019 >> Regal TourX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 139 (Engine Controls And Fuel - 3.6L (LGX) - Diagnostic Information And Procedures (P0449-P3436) And Symptoms) >> Diagnostic Information and Procedures >> DTC P2122, P2123, P2127, P2128, or P2138 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. 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
5V Reference - APP Sensor 1 P06A3 P2122, P2138 P06A3 P2138
Signal - APP Sensor 1 P2122 P2122, P2138 P2123 P2138
Low Reference - APP Sensor 1 - P2123, P2138 - P2138
5V Reference - APP Sensor 2 P0106, P0107, P0108, P0697 P2127, P2138 P0106, P0108, P0697 P2138
Signal - APP Sensor 2 P2127 P2127, P2138 P2128 P2138
Low Reference - APP Sensor 2 - P2128, P2138 - P2138
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