"Bum steer", a term denoting misdirection, is predominantly from Australia, New Zealand and North America. The idiom means to provide information, intentionally or unintentionally, that is incorrect, was unhelpful, or caused one to be led astray.

What means bum steer?

slang. : an instance of false or misleading information or directions especially when purposely so a man who got himself a bum steer … and was attempting to brazen it out rather than admit his error— R. H. Rovere.

Where does the term Bum Steer come from?

"Bum steer", a term denoting misdirection, is predominantly from Australia, New Zealand and North America. ... The idiom, as used in Australia and New Zealand, reached the United States in the 1920s probably after exposure to Australian troops on the Western Front during World War I, and is recorded in the UK since 1944.