veunknown
07-27-04, 09:20 PM
how do you clear the trouble codes on the onboard diagnostic? i read how but its doesnt work can anyone help me. :banghead: :drinker
| View Full Version : 91 deville veunknown 07-27-04, 09:20 PM how do you clear the trouble codes on the onboard diagnostic? i read how but its doesnt work can anyone help me. :banghead: :drinker bob2231 07-27-04, 10:32 PM The alternative to the dash method is to disconnect the battery for a few minutes. That will clear the history codes. Anything that comes up sfter that is current. And you gotta reprogram your radio pre-sets. | |