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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 514 (Engine Controls/Fuel - Hybrid (LZ1) - DTC P0351 To DTC P3449 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2271 or P2273 >> DTC Descriptors

DTC Descriptors

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2271

HO2S Signal Stuck Rich Bank 1 Sensor 2

DTC P2273

HO2S Signal Stuck Rich Bank 2 Sensor 2

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