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Home >> Chevrolet >> 2006 >> Cutaway 6.6 2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 1847 (Power Take-Off System) >> Diagnostic Information and Procedures >> DTC P253D >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Engine ON, press 1 on the PTO switch to engage PTO. The engine RPM should increase to the default engine speed within a few seconds. Press RES + to increase the engine speed and SET - to decrease the engine speed accordingly.

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