Join Date: Jul 2010
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It's been a while since I posted, which is good news. But I guess I was overdue for a doozie. The car in question is a 2006 Sonata GLS V6 with 153K miles on it. I drove it for 12 years and it left me on the road only twice: once for the accelerator pedal recall (left us in limp mode in Key West) and for a dead alternator.
Then I gifted it to my mother 4 months ago and the fun has begun. She took it in for a suspension issue to a local-to-her shop and it came out with no reverse and no 4th or 5th gear. I could not prove that the car was messed up by them and the dealer was no help after paying $150 in a diagnostic fees only for them to tell me "the tranny, it's broken". So I installed a used tranny, a new radiator and a new serpentine belt. I saw no fluid leaks of any kind anywhere. She drove the car for two weeks without incident then tells me the battery light came on and the car died. The Interstate battery checked out fine, the alternator had died. I replaced that and she drove the car for three weeks, then the whopper came last week:
She says the ESC off light came on, then "all sorts of other lights flashed" and the car would not move or go in to drive. She had it towed to her house and I then moved it to my house to troubleshoot. The battery and alternator check out good. When I clear the codes I can drive the car for about ten seconds then the tranny locks and all the codes come back. The brakes work fine, BTW. Here are the 10 codes it spat out!!!
1- B2502 - passenger air bag warning lamp
2- B1102 - battery voltage low DTC < 8v
3- C1513 - brake switch circuit error
4- C1611 - controller area network timeout EMS
5- C1616 - CAN bus off
6- C1102 - battery voltage low BTC
7- C2402 - Faulty ABS Motor or Hydraulic Electronic Control Unit (HECU)
8- C1260 - Steering Angle Sensor Circuit-Signal
9- P0733 - gear 3 incorrect ratio (x2)
10- P0734 - gear 4 incorrect ratio (x2)
Has anyone seen this mess before? What's my next step here? Please don't tell me to go to the dealer, not happening. I can check fuses, look for loose ground straps, check for shorts, I can even swap tranny input and output sensors from a 2006 Elantra (they are identical). I just don't know what to do first. Any ideas?
Last edited by islander21; 04-16-2019 at 09:10 PM.