P0691 Fan 1 Control Circuit Low
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"Delete Error Code Permanently, Disable DTC Error Code Function for p0691 in the ECU"
In extreme cases, we even have the option to permanently remove the specific DTC p0691 and disable the function of the specific error code in the ECU. All other fault code functions will then continue to work to protect the engine. This is different from clearing an error code with a diagnostic device. We have the option to permanently remove the function of the specific error code, so that it never comes back. Also emergency running that occurs on the specific error code can be solved in most cases.
Of course we prefer to first try to solve the cause of the error code, but sometimes the only solution is to permanently disable the DTC function of p0691.
