Service guides

Diagnostics

Typical price: £40.00 to £120.00

What it is

Reading fault codes and testing systems to find the cause of a warning light or fault.

What's included

  • Fault code reading with a diagnostic tool
  • Live data and component tests
  • Clear explanation and quote for repairs

How often

Whenever a warning light comes on or the car behaves unusually.

Warning signs

  • Engine management light
  • Loss of power or limp mode
  • Rough idle or stalling

What affects the price

Time needed to trace the fault and the make of car. Some garages deduct the fee from the repair.

Member garages near you for Diagnostics

Find a garage for this service near you

Related advice