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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 P2227, P2228, or P2229 >> Conditions for Setting the DTC >> P2228

Conditions for Setting the DTC: P2228

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.

The ECM detects that the BARO sensor voltage is less than 0.20 volt for 4 seconds or for a cumulative of 50 seconds.

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