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Home >> Cadillac >> 2006 >> Escalade EXT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.8L, 5.3L, And 6.0L - DTC P0442 To DTC P2120 >> DTC P0641 >> DTC Descriptor

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DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P0641 5-Volt Reference 1 Circuit

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