
Lost Communication Fault Codes: U0155, U0140, U0121, U0126, U0100 and U3000 Explained
Summary: A lost communication fault code names a silence, not a failure. U0155, U0140, U0121, U0126, U0100 and U3000 all say the same thing about


Summary: A lost communication fault code names a silence, not a failure. U0155, U0140, U0121, U0126, U0100 and U3000 all say the same thing about

Summary: From the Mk2 in 2016, a Peugeot 3008’s instrument panel is a configurable screen rather than a set of dials — so a warning

Summary: A throttle body fault code tells you what the engine ECU measured, not what has failed. P0121, P0122, P0221, P0222, P0638, P2100, P2101 and

Summary: A Caddy is a working van, and how it is worked decides which lamps you see. Its two signature electronic failures are duty-cycle failures

Summary: A Kuga can be a petrol, a diesel, a 48-volt mild hybrid, a full hybrid or a plug-in hybrid, and the same amber lamp

Summary: An Astra L shares its electronics with a Peugeot 308 rather than with an Astra H — the badge stayed put and the engineering