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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1149 (Engine Controls And Fuel - 3.6L - DTC P0496 To DTC P2235) >> DTC P2177, P2179, P2187, or P2189 >> DTC Descriptors

DTC Descriptors

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 P2177

Fuel Trim System Lean at Cruise or Accel Bank 1

DTC P2179

Fuel Trim System Lean at Cruise or Accel Bank 2

DTC P2187

Fuel Trim System Lean at Idle Bank 1

DTC P2189

Fuel Trim System Lean at Idle Bank 2

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