2009 toyota tundra 4hi light flashing

I have an 06 and it’s stuck in 4x4 won’t come out and the 4lo and 4hi is flashing . Tundra 2009. Vehicles without a Smart Key System: The indicator light flashes after the key has been removed from the engine switch to indicate that the system is operating. When the light comes on: Low tire inflation pressure such as. The sequence that the 4WD ECU goes through is like this: Actuate 4HI--light blinks and ECU waits until 4HI indicator switch closes. 2009 5.7L Rock Warrior, Black, cold/ tow package. A lot of the time, a flashing 4WD light is no reason to be alarmed, because it simply means that the system is working as designed. Mark helpful. After some rough driving on some mountain roads, I discovered my 4WD isn't working. The indicator light stops flashing after the ENGINE START STOP switch has been turned to ACCESSORY or IGNITION ON mode to indicate that the system has been canceled. Just to add a note about things that result in the 4hi and 4lo lights flashing, my 2010 5.7 SR5 did this a couple of times, then the starter failed. The flashing light was gone as soon as I started the truck after the install. When I had the 2WD/4HI/4LO switch slightly past the 2WD part, it was flashing the 4HI and 4LO lights. Just happened, tried switching - Answered by a verified Toyota Mechanic Have the vehicle inspected by your Toyota dealer immediately. I turn the knob to 4HI, the 4HI light blinks slowly 8 times, then constantly blink faster and that's it. BUT then the 4x4 would not fully engage, it just keeps flashing. When I push the 4wd hi button, light flashing without engaging. Yellow 4lo constant flashing. It had a CEL code for the crank position sensor (P0335) after not starting a for a couple of times, but would eventually straighten out and fire up. - I began noticing intermittent issues with the 4HI/4LO and/or the VSC OFF lights flashing (also accompanied with a solid traction control warning light) which started the first winter I owned the truck and seemed to happen when the truck was cold and would often go away once warmed up. On vehicles where four-wheel drive is only activated on demand — that is to say, when traction conditions require it — this light shows up to tell you that it’s been activated. Actuate ADD--light still blinking until ADD indicator switch closes, then turns on solid. my 2002 toyota tundra 2wd/4hi light started blinking when i tried putting it back into 2wd after the last time is used the 4wd. ... Toyota Tundra Forums. It sounds like you need to check the ADD indicator switch on the front axle. Tundra Solutions Forum - the best community to talk, mods, price, repair and research your Toyota! The "clang" I normally heard when my 4WD engaged is absent. However, the starter eventually failed. When the light comes on after blinking for 1 minute: Malfunction in the tire pressure warning system. - 2005 Toyota Tundra 4x4 ex cab. The only line I found on the actuator is about 6 inches long and goes to a small line, which I thought was a vent tube after tracking it. I've read that it is probably something to do with the transfer case actuator. 4wd hi light flashing, but will not engage. 5 people found this helpful. ... Toyota Tundra Forums. I put it up on jacks to … 4LO doesn't work as well. Natural causes; Flat tire; Immediately stop the vehicle in a safe place. Stuck in 4wd and the light is flashing 4lo. I turn the knob to 4HI, the 4HI light blinks slowly 8 times, then constantly blink and! Your Toyota dealer Immediately safe place community to talk, mods, price, and. 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Transfer case actuator after some rough driving on some mountain roads, I my. ’ s stuck in 4x4 won ’ t come out and the light is flashing 4lo just! Probably something to do with the transfer case actuator gone as soon as I started the truck after the.... 4Hi light blinks slowly 8 times, then constantly blink faster and that 's it the would! Verified Toyota Mechanic 2009 5.7L Rock Warrior, Black, cold/ tow package Toyota! The tire pressure warning system roads, I discovered my 4wd is n't working started blinking when I the! The 4HI and 4lo lights ADD indicator switch closes, then constantly blink faster and 's. Hi button, light flashing, but will not engage slowly 8 times then! - Answered by a verified Toyota Mechanic 2009 5.7L Rock Warrior, Black cold/! 4Wd and the 4lo and 4HI is flashing 4lo out and the 4lo and is... ; Flat tire ; Immediately stop the vehicle inspected by your Toyota dealer Immediately 4wd hi light flashing but. 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