Vehicle Diagnostic Guides
Select your vehicle make to see which OBD2 fault codes show up on it, what each code means, its typical repair cost range, and notes on specific models.
Engine guides Known problems, repair costs and buying checks for common engines.Audi
94 diagnostic code guides
BMW
156 diagnostic code guides
Chevrolet
15 diagnostic code guides
Chrysler
1 diagnostic code guide
Citroen
2 diagnostic code guides
Dodge
1 diagnostic code guide
Fiat
2 diagnostic code guides
Ford
87 diagnostic code guides
Honda
34 diagnostic code guides
Hyundai
6 diagnostic code guides
Infiniti
1 diagnostic code guide
Jaguar
2 diagnostic code guides
Jeep
3 diagnostic code guides
Kia
3 diagnostic code guides
Lexus
3 diagnostic code guides
Mazda
5 diagnostic code guides
Mercedes-Benz
69 diagnostic code guides
Mitsubishi
1 diagnostic code guide
Nissan
18 diagnostic code guides
Opel
25 diagnostic code guides
Peugeot
8 diagnostic code guides
Porsche
7 diagnostic code guides
Ram
1 diagnostic code guide
Renault
9 diagnostic code guides
SEAT
5 diagnostic code guides
Saab
22 diagnostic code guides
Skoda
27 diagnostic code guides
Subaru
1 diagnostic code guide
Suzuki
2 diagnostic code guides
Toyota
65 diagnostic code guides
Volkswagen
177 diagnostic code guides
Volvo
2 diagnostic code guides