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Chevrolet
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2006
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Silverado 1500 HD, 4WD
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Repair and Diagnosis
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External Pages
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Different car
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Section 1054 (Engine Controls And Fuel - 4.3L - DTC P0340 To DTC P2138)
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DTC P0685, P0689, or P0690
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Repair Procedures
Repair Procedures
WARNING:
This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Engine Control Module Programming and Setup (GAS)
Engine Control Module Replacement
Relay Replacement (Attached to Wire Harness)
or
Relay Replacement (Within an Electrical Center)