Here in the United States where autoshopinvoice.com was started, you'll see a wide range of fixed diagnostic fees. It's not uncommon for shops to charge the equivalent of ½ to 1 hour of labor, or anywhere from $50 - $150.
How much does a car diagnostic cost?
How Much Does a Car Diagnostic Cost? The average price for a car diagnostic test costs about $82.50 with average prices ranging from $65 to $100 for the US in 2020 according to SuperMoney. Repairpal states it should cost between $88 and $111, but Popular mechanic states it should cost between $20 and $400.
Do mechanics do free diagnostics?
There are literally thousands of diagnostic trouble codes (DTCs) that the check engine light might refer to. The only way to even get started is to connect a scan tool. Some auto repair shops charge for auto diagnostic services, but some places, such as autoparts stores, offer to scan your vehicle for free.