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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 928 (Power Take-Off) >> Diagnostic Information and Procedures >> DTC P0641 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0641

Circuit Short to Ground Open or High Resistance Short to Voltage Signal Performance
5-Volt Reference Circuit P0641 00 1 P0641 00 P0641 00
1. Power Take-Off (PTO) Does Not Engage
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