Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2009SILVERADO 2500 2WD V8-6.6L DSL TURBOREPAIR AND DIAGNOSISTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESMOTOR CONTROL MODULE 1 SCAN TOOL INFORMATION
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL Turbo
Motor Control Module 1 Scan Tool Information
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL TurboSECTION Motor Control Module 1 Scan Tool Information
Motor Control Module 1 Scan Tool Information
The Motor Control Module 1 Scan Tool Data Parameters list contains hybrid controls-related parameters. The list is arranged in alphabetical order.
Use the Motor Control Module 1 Scan Tool Data Parameters list only after the following is determined:
* The Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) is completed.
* No diagnostic trouble codes (DTCs)
* On-board diagnostics are functioning properly
The scan tool values from a properly running vehicle may be used for comparison with the vehicle you are diagnosing. The Motor Control Module 1 Scan Tool Data Parameters list represents values that would be seen on a normally running vehicle.
Important: A scan tool that displays faulty data should not be used. The scan tool concern should be reported to the manufacturer. Use of a faulty scan tool can result in misdiagnosis and unnecessary parts replacement.
Only the parameters listed below are referenced in this service manual for use in diagnosis. If all values are within the typical range described below, refer to Symptoms - Hybrid Controls () for diagnosis.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.