THIS TRUCK IS 2 MONTHS OLD AND ONLY HAS 2300 MILES ON IT. ON SUNDAY 12/27, THE TRUCK WOULD NOT START. ALL DASH PANEL AND LIGHT INDICATOR WARNINGS CAME ON INCLUDING 4 WHEEL DRIVE ASSIST FAILURE, BRAKE SYSTEM FAILURE, TPS FAILURE, CHECK ENGINE, BATTERY ERROR, ETC. AFTER JUMP STARTING THE BATTERY, THE TRUCK TURNED ON BUT THE CHECK ENGINE LIGHT STAYED ON ALL DAY. ON MONDAY 12/28, THE TRUCK DID NOT STA…
2020 Chevrolet Silverado electrical problems
severe 62 complaints filed with NHTSA · avg repair $850
Complaints
62
Recalls
0
Crashes
2
Avg fix
$850
What owners are reporting 2 most recent
Check engine light came on. Authorized Dealer Advisor stated "vehicle may shut-off or not start." Took to Authorized Dealer. Dealer found Evap System Error Code P0499. Dealer replaced Evap Valve Harness Connector. Approximately 48hrs Check Engine Light came on again. Will schedule service with Authorized Dealer.
Common questions
How serious is the electrical problem on the 2020 Chevrolet Silverado?
It's a meaningful issue. 62 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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