A4BF1 Archives - Transmission Digest
Two Unique Situations, Two Happy Customers

All of our initial diagnostic evaluations include a battery and charging system test. I’ll bet you can guess the outcome of this one; the battery failed, but the alternator had passed. At this point we informed the customer that some electrical testing was going to be necessary in order for us to find out what was causing the problem. The customer agreed to that and we then proceeded with the job.

Tiburon Spells Trouble

I got a call from a technician about a month ago concerning a problem with a 1997 Hyundai Tiburon with the A4BF1 transmission. The technician explained that the MIL (malfunction indicator lamp) was on and codes P0743 and P0747 were stored.