Originally Posted by DIY Guy
thanks for your quick reply.
My D4 flashes four times, then pauses then repeats. I didn't see any breakdown of D4 codes in your charts above. I only saw a footnote at your explanation of 70 in your initial post that said " ** The D4 indicator light and Malfunction Indicator Light (MIL) may come on simultaneously."
...there's a big chart under the bold wording 'transmission codes'.
There is s no code 4 for the D4 light. You're doing something wrong, maybe autozone can read D4 codes but I dobut it. They'll probably only get the CEL.