F0258 High
Boiler Fault Code F0258
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F0258 appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler's internal computer has encountered a critical communication failure or hardware fault, meaning it cannot process commands to heat your home. (As reported on Worcester Bosch CDi Classic)
Pick your boiler brand for the F0258 fix
Source
Information for the F0258 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026