Saker
Senior Member
This is the best one in the Baton Rouge area!
I have had very good relationships with all people and techs here.
Their hands are tied by corporate currently until I do this.
Gotta play their game.
T4R went into “Limp Mode”
- Thread starter Saker
- Start date
This is the best one in the Baton Rouge area!
I have had very good relationships with all people and techs here.
Their hands are tied by corporate currently until I do this.
Gotta play their game.
ElectroBoy
Banned
Yeah, Saker is getting the runaround from that dealer. Either they’re incompetent and can’t figure it out and are stalling for time. Or they’re just being a-holes.
There was a TSB for 2010-11 4Runners and FJs (tsbT-SB-0092-11) with this same problem several years ago. The solution was replacing the throttle body. Don’t know why the dealer is acting like this.
There actually had been a problem with some cheap noisy LED headlight replacement bulbs that raised hell with the circuit ground of the Skid Control ECU, causing DTCs. So this may be what they’re fixated on.
https://static.nhtsa.gov/odi/tsbs/20...72379-9999.pdf
Tech Tip T-TT-0597-2
“Some 2014-2020 model year 4Runner vehicles may experience the ABS Light ON with DTC C0226, C0236, C0246 and C0256 stored current in the ABS system.”
[MENTION=103267]Saker[/MENTION], Where do you have LEDs installed that they want removed?
Cheers!
Member
Saker
Senior Member
All interior except vanity lights over visors.
LED markers in grill, engine light led strip, rigid back up light mod under rear bumper, sequential turn signals in mirror, licence plate illumination bulbs & unique style racing blackout tail light assy & I need to pull the high beam LEDs.
Edit: MESO PUDDLE LIGHT’s too!
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TRD PANTHER
New member
All the good stuff. Lucky you don't have full aftermarket skid plates, rear bumper and front bumper. They would probably have you remove them also.
Seriously, good luck with the outcome on this. Many here are curious to find out what the issue is/was.
ElectroBoy
Banned
Well, whatever makes them happy so they will get back to working on it. Hopefully they will find the actual problem and not say “Now that you restored it to OEM condition everything checks out OK, we cannot duplicate the problem. It’s working now so go away but bring it back if it ever reoccurs.”
Saker
Senior Member
Well, that about sums it up, for now.
So to play that game:
All non Toyota LEDs have been removed from the vehicle & replaced with halogen OEM bulbs.
No spare LEDs are in the glovebox!
Man its dark in there!
Any Toyota Techs on the forums that can chime in on this situation ?????
It would be appreciated.
ElectroBoy
Banned
Now that you’ve been spanked by Toyota back to the OEM baseline it will be a waiting game until, or if, it happens again. You’ve probably already tried to reenact the sequence of events that triggered the failure. Once you’re as confident as you can be that all is well you could try adding in one LED mod at a time and again trying to get it to fail.
I can’t imagine how any interior lighting LEDs would cause a problem, especially when there is no power applied to them. However it is conceivable that aftermarket headlight replacement LEDs, or high power brake or reverse LEDs, could be radiating or conducting EMI into the chassis ground and occasionally causing an ECU glitch. But only when they are powered on.
It may be worth an experiment at some point to reconnect your auxiliary reverse light and see if that was the culprit.
Saker
Senior Member
I agree 6 1/2 years with LED mods on my 2014, six months with same LED mods on my 2021 and now all of a sudden LEDs are the culprit my gut instinct tells me “HELL NO” !
Thanks for the suggestion …..
I’ll wait and see what happens, install one mod at a time if it doesn’t act up in two months.
By the way A Toyota corporate agreed when I called yesterday.
They stated, I need to remove all LEDs that were modded, return to OEM and see if it acts up again or they can’t go forward.
Will keep everyone informed “if/when” it acts up again!
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The4RunnerDude
New member
Man I was just about to replace all my interior lights with LEDs too. LOL. I really don't see that LED lights being the issue, but you gotta do what you gotta do to play the game I guess. Definitely keep us in the loop and good luck bud.
SteadFAST 4Runner
New member
what a total pain... sorry this is happening to your 4Runner.
Kamalani Mahie
New member
This has to be a terrible joke...I feel for you. Let us know what the outcome is!
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Saker
Senior Member
NorCal4run
New member
Limp Mode on 5th Gen 4Runner & Zero Point Calibration (SOLVED)
Take a look at this! Hope it helps you.
Take a look at this! Hope it helps you.
Hopefully it stays away!
TRD PANTHER
New member
Any idea if a specific electrical add-on you did created the issue? Do you plan on reinstalling all your add-ons one by one in an attempt to trouble shoot the problem by process of elimination? What are your thoughts?
Saker
Senior Member
Nothing more than what I mentioned in my above posts.
I am leaning towards either the rear light assemblies I put on, rigid reverse lights…. But just guessing at this point.
And Toyota covers everything….. remove your non Toyota LED’s!
I see all kinds of vehicles including police cars that are full of led items!
Gone4Wheeling
New member
If this turns out to be caused/related to aftermarket LED's, that's sad that these new vehicles are so electronic complicated/sensitive that this could even happen.
