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Toyota 8FBMT15:
Fault Code CD-7 AD-3 AD-4

Getting code CD-7 just before contactor comes in, once contactor is in the fault goes.

Every now and again I get AD-3 AD-4, I've found if I turn the truck on with the key switch the fault occurs more often than not, If I leave the key switch on and plug the battery in the fault doesn't appear.

I've swapped the drive controller positions and the fault was fixed for a while, customer has reported it is faulting again although I haven't been back to the truck yet.

Any help gratefully received
  • Posted 3 Mar 2023 05:49
  • Discussion started by andrew_k
  • England, United Kingdom
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