service engine soon

20

Asked by Apr 27, 2016 at 09:43 PM about the 1994 Buick Roadmaster 4 Dr Limited Sedan

Question type: Maintenance & Repair

obd 1 code reader code12 thennothing

4 Answers

50,925

Code 12 means everything is fine and working.

20

why can't I get the service engine soon to go off ?

2 out of 2 people think this is helpful.
50,925

12 ERROR CODE DIAGNOSTIC SYSTEM FUNCTIONING CORRECTLY..... Try resetting it by taking the neg. batter cable off for 15 min to 30 min.

1 out of 1 people think this is helpful.
10,610

it has been my experience that if there is a weird electrical issue with a car it is often a ground problem. check not only your battery cables, both ends clean and tight, but any ground you can find. also, check the connection to the computer itself. sometimes corrosion in there can cause problems. 2 of my 5 vehicles are obd1, pain in the A** to diagnose.

3 out of 3 people think this is helpful.

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