You fix problem first, then set tyour Code reader to "Erase code", turn on engine and check again .Sometimes it takes 2-3 starts to erase.
It means the vehicle needs to be serviced.
Dash board
It is time for scheduled maintenance. Consult the driver manual for details.
the temperature control actuator is behind the dash board.
Take your Yukon to Car Toys. They do a nice job.
You have to take off the whole dash board to get to the center console!
A wrench icon appears on your cars dash when the engine needs attention.
The wrench warming light on the dash of the Ford F250 means that there is a mechanical failure on your vehicle.
If a wrench lights up on your dash it means there is a problem with the engine.
all OBDII connectors are located drivers side beneath the dash
The symbol of a wrench in a Cavalier Dash usually means service required. This generally means that the vehicle should be checked by a mechanic for an issue.
Right behind dash board