Chevrolet Silverado 1500 2020 - No Crank, No Start
The engine does not crank and there is no sound when attempting to start. This indicates a complete lack of starter engagement, likely due to an electrical or battery issue.
Diagnosis Details
Possible Causes
Dead or weak battery (low voltage, corroded terminals, or internal failure)
Faulty starter motor or solenoid (open circuit or seized)
Ignition switch or starter relay failure (no signal to starter)
Security system immobilizer issue (prevents starter engagement)
Related OBD-II Codes
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What You Should Do
Check battery voltage (should be 12.6V+), clean and tighten terminals, test starter relay and fuse, verify ignition switch operation, and inspect starter connections.
If battery is good, jump the starter relay to test starter.
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.