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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.6L - DTC P2178 To U0423 >> DTC U0423 >> DTC Descriptor

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DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC U0423 IPM Communication Circuit Performance

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