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Catalyst Check

Disables checking of catalyst efficiency

About This Solution

Modern ECUs continuously monitor catalytic converter efficiency using upstream and downstream lambda sensors. When a catalyst fails or is removed (for example after fitting a sports exhaust system), the ECU logs a catalyst efficiency fault code (typically P0420/P0430). Our Catalyst Check solution disables catalytic converter efficiency monitoring in the ECU software, preventing these fault codes from returning.

Benefits

  • Eliminates catalyst efficiency fault codes (P0420/P0430)
  • Compatible with decat exhaust systems
  • No impact on engine performance
  • Works alongside other software solutions
How to Order

This solution is ordered via the ByteFlash Portal. Log in, select the vehicle, choose this option and upload the original ECU file. The modified file is available to download from your portal account.

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