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Home >> Pontiac >> 2009 >> Vibe GT, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 2.4L (Lax) - DTC P0443 To DTC P2A00 >> DTC P0657 >> Circuit/System Testing

Circuit/System Testing

Ignition ON, observe the DTC information with a scan tool. Verify DTC P0657 does not set this ignition cycle.

If DTC P0657 is set, replace the PCM.

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