View Full Version : my service engine soon light is on

10-22-07, 08:07 AM
98 deville northstar here. the light went on 2 weeks ago. Is it most like the cats? car has 120k miles on it..seems to be running good. thanks:helpless:

10-22-07, 09:24 AM
check for codes....look in the tech forum and it will show how to check for codes and what they mean...good luck

10-22-07, 09:58 AM
1- P0741=TCC switch stuck off
2- P1520=transmission range switch circuit

the car is a 98 deville northstar with 120k, running well...23.5mpg

what should I do here? :banghead: thanks

10-22-07, 10:27 AM
thanks jfallen...got em, now i gotta find out if there serious.:crying:

10-22-07, 11:14 AM
Post your codes, maybe we can help!

10-22-07, 11:26 AM
I merged these threads in case they seem a little out of order.

Do a search for P0741. Been discussed many times. It is an expensive fix, but you can live with it.

10-22-07, 11:48 AM
thanks ranger..seems like i will live with it as the car is running well..;)