Just need to know diagnostic code 12 and42. The ones that flash over the check engine light
Tuesday, April 21st, 2009 AT 11:31 PM
1 Reply
JACOBANDNICKOLAS
MECHANIC
109,758 POSTS
"Â 12 Battery or computer recently disconnected (will occur on most cars most of the time, it indicates a low / missing battery happened in the last 50 key starts. Don't worry about it.
"Â 42 Automatic shutdown relay circuit open or shorted
"Â 42 Fuel pump relay control circuit
Is the engine not starting? Does it have spark and fuel?