You can check the Mercedes-Benz air conditioning control module with a diagnostic tester. Hook the diagnostic tester to the diagnostic test port.
To determine if the seat motor or control module is faulty in your Mercedes CLK, first check if the seat moves at all when using the controls. If there’s no response, inspect the fuse associated with the seat functions. If the fuse is intact, you can test the seat motor by applying direct power to it; if it operates, the control module may be the issue. Additionally, using a diagnostic tool can help identify any error codes related to the seat control module.
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What year and model
P0601 Internal Control Module Memory Check Sum ErrorThe engine computer has failed.P0601 Internal Control Module Memory Check Sum ErrorThe engine computer has failed.
It has to go to the dealer are someone that repares them. You can not check them yourself.
Check the modulator cable and the transmission pressure module. Adjust cable and clean or replace trans module. Cheers!
still have p0715 still after cganhe the parts / you think is this transmission module \
Check fuse for brake switch, check switch, or light control module,
The year, make and model info would help.
I found the answer at http://www.obd-codes.com/p0601. It says that the Powertrain Control Module (PCM) needs to be replaced.
Check your Fan Control Module!!! Check your Fan Control Module!!!
air bag module check the service manual Toyota usually place the module behind the instrument panel