Silverado 1500 2WD V8-6.0L Hybrid (2009)
15. If all circuits test normal, replace the relay.
Repair Instructions
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Engine Control Module Programming and Setup (Gasoline Engines) (See: Testing and Inspection/Programming and Relearning)Engine Control
Module Programming and Setup (W/RPO LMM) (See: Testing and Inspection/Programming and Relearning)
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Engine Control Module Replacement (See: Relays and Modules - Computers and Control Systems/Engine Control Module/Service and Repair)
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Relay Replacement (Attached to Wire Harness) (See: Relays and Modules - Power and Ground Distribution/Power Distribution Relay/Service
and Repair/Relay Replacement (Attached to Wire Harness))Relay Replacement (Within an Electrical Center) (See: Relays and Modules - Power
and Ground Distribution/Power Distribution Relay/Service and Repair/Relay Replacement (Within an Electrical Center))
Repair Verification
1. Install any components that have been removed or replaced during diagnosis.
2. Perform any adjustment, programming, or setup procedures that are required when a component or module is removed or replaced.
3. Clear the DTCs.
4. Turn OFF the ignition for 60 seconds.
5. Ignition ON, command the powertrain relay ON and OFF with a scan tool, while observing the powertrain relay circuit status parameters, The
circuit status parameters should change from OK to Not Run or Not Run to OK.
‹› If another DTC is present, refer toDiagnostic Trouble Code (DTC) List - Vehicle (See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Diagnostic Trouble Code Descriptions) and perform the appropriate diagnostic procedure.