4LO blinking and ABS remained lit continuously

Tiny
EAGLEYES
  • MEMBER
  • 2016 TOYOTA 4RUNNER
  • 2.4L
  • 4 CYL
  • 4WD
  • MANUAL
  • 70,000 MILES
Hello gentlemen,
This is my first post on this site that I just discovered.
Here, I have a Toyota 4WD hILUX, code model: GUN125L-DTFMH, manual transmission, Engine: 2GDFTV.
Recently, I had a totally unexpected problem just wanting to try the 4LO. I did not even move from my parking spot that I noticed on the dashboard, the orange indicator on the 4LO flashing at the same time that the ABS that remained lit continuously. I insisted to unlock and return to the switch H2-L4H-4LO but nothing to do, the transfer box was stuck on the 4LO. What I did, I deactivated the 4LO manually by intervening directly on actuator assy transfer shift to put the transmission in H2. Following this, I changed the actuator assy shift transfer by another brand new one. I thought naturally that the failure came from this organ but it is not! The problem has always remained as it is. And now I have the following error codes:
C1268
U0114
U0122
P17AC
What to do? Could someone guide me please?
I thank you in advance.
PS: sorry for my average English because I speak French. :)
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Wednesday, May 29th, 2019 AT 8:33 AM

1 Reply

Tiny
KEN
  • ADMIN
The codes and this problem is related to one of the modules shutting down. Could just be a fuse. Lets start by following this guide and check the fuses. I have included the fuse panel location and identifications along with the 4wd transfer case wiring diagrams so you can see how the system works.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check for power at the fuses as well. Check out the diagrams (below). Please let us know what happens.
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Thursday, May 30th, 2019 AT 2:03 PM

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