Why is the mode light on my 4WD switch flashing?
Here are some of the reasons why the mode light on the 4WD switch might be flashing: The mode light for a selected shift will flash until the shift is complete as indicated by a switch in the front differential.
Why are my 4WD warning lights going out?
Common problems are: When the ignition key is cycled from OFF-RUN-START and is released back to the RUN position after the vehicle starts, the 4WD mode lights should illuminate for 1 to 2 seconds and then go out. If they stay on, there is a problem with the 4WD system.
Why are the 4HI / 4Lo lights still flashing?
Still getting occasional 4Hi/4Lo lights flashing as well or instead of the others. This does not appear to have anything to do with whether I am towing or not, mostly I am not and still get the lights. – About a month ago on NYE I was in the ferry line, engine off, accessories on with cell phone in charger and talking on phone.
How does the shift to 4WD Low work?
The shift is completed when the TCCM receives a signal from the front differential engaged switch. The shift to 4WD low range is a bit more complicated and requires the vehicle to be stopped with the transmission in Park or Neutral. When the command for 4WD low is sent to the TCCM, it will then perform two functions.
Here are some of the reasons why the mode light on the 4WD switch might be flashing: The mode light for a selected shift will flash until the shift is complete as indicated by a switch in the front differential.
Why does the servce 4WD light not come on?
The 4Hi and 4Lo lights just flash but 4WD does not engage. Also the ‘SERVCE 4WD’ light does NOT come on ruling out transfer cases problems. Get under the front of the truck and check the actuator. It is a silver cylinder on top of the axle as I said before.
Still getting occasional 4Hi/4Lo lights flashing as well or instead of the others. This does not appear to have anything to do with whether I am towing or not, mostly I am not and still get the lights. – About a month ago on NYE I was in the ferry line, engine off, accessories on with cell phone in charger and talking on phone.
What does the blinking on my 4Lo mean?
Completely normal. The codes all indicate circuit faults, KHLOW2008 is correct in having you check the wiring from the sensors and transfer case harnesses, these codes could all be caused by a short or broken wire in the circuit. Especially as they are intermittent.