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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Control System & Fuel System - 1.8L (Lay) - DTC P0010 To DTC P0420) >> DTC P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135, or P2172 >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different variant/trim than selected.

DTCs P0606 and P0607 indicate the 5-volt reference circuit was shorted to ground. The engine may not start and the PCM may not communicate with the scan tool during a shot to ground in the 5-volt reference circuit.

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