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Vehicle-to-Vehicle Diagnostic Comparison

Vehicle-to-Vehicle Diagnostic Comparison


Comparing the customer's vehicle to a KNOWN GOOD vehicle that is essentially identical will help determine if the customer's concern may be characteristic of a vehicle design. To arrive at a valid conclusion, the comparison must be performed under the same conditions, using the same criteria, on a vehicle that has the same option content as the customer's vehicle.

The comparison vehicle must match the customer's vehicle in the following areas:


• Model Year

• Make

• Model

• Body style

• Powertrain configuration

• Driveline configuration

• Final drive ratio

• Tire/wheel size and type

• Suspension package

• Trailering package

• GVW rating

• Performance options

• Luxury options