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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1151 (Engine Controls And Fuel - 3.6L - DTC P2770 To DTC P2636) >> DTC P2271 or P2273 (w/o LLT) >> DTC Descriptors (w/o LLT)

DTC Descriptors (w/o LLT)

WARNING: This page is about a different car, the 2008 Cadillac CTS. 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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