Hi,

I have check engine light on always. Codes are:

1) PO722, output shaft speed sensor circuit no signal
2) P1618 , manufacturer cntrld computer output ....

Does anyone know what these mean and what the remedies are.

Any help appreciated.

Thanks,

Ted

 

Is the ABS light on as well?

The 1618 might be an ETM code. You need to get someone to read it in Volvo codes.