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Home › Chevrolet › 2006 › Chevy Express G1500, Van Cargo, 4.3 X › Repair and Diagnosis › Engine Performance › System › Engine Control System - 4.3L - DTC P0507 To P2A04 › DTC P0641 › DTC Descriptor

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P0641 5-Volt Reference 1 Circuit

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