Have Toyota Questions? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose) I prefer working afternoon till just after midnight.
Sorry for the long delay, I got a late start today and have just worked my way down to the bottom of the list where you are. I am going to get a late start tomorrow as well. I feel like I can help on this concern if help is still needed. Please reply and let me know
The 4x4 lights are flashing because the 4wd ECU on the right side of the dash has detected a concern and is warning you the driver that there are codes stored. Since the diagnostic tool shows no codes in this module. That means the ECU is faulty.
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Hello again Chris here,