2012 trd Speedometer off

Just bought a 2012 tx pro,driving today I went passed 2 different radars that showed I was going 3 miles an hour slower than what my speedometer says. Everything is stock,has anyone else noticed this or is this my problem.
I would assume any trd would be the same.
I did have the dealership roadforce balance everything the very next day after I bought it but that surely would have nothing to do with it.
Just curious,thats all.

 

my speedometer was off before I got new tires and also know with gps on my smart phone.

 

There all off,od is correct,explain please

 

There off, before I bought my BFG's when I had cruise set at 75 mph i was actually doing 72 mph then when i got my BFG's put on set cruise at 75 mph and im actually doing 75 mph. THERE

 

Ok,thx,I have bfg's on from the factory.
No big deal,just curious,my 2 cars arent off though.

 

what i was trying to say is i got a size bigger on tires then what came with the truck and made the speedo more acurate,

 

Ok,gotcha.
Also I am well aware of everything related to radar guns,trust me!

 

mine is off by 1 mph.....when i set cruise at 65 i'm actually going 64mph

 

OCD much? They may be off slightly, but are still within the allowable tolerance.

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United States

Federal standards in the United States allow a maximum 5 mph error at a speed of 50 mph on speedometer readings for commercial vehicles.[13] Aftermarket modifications, such as different tire and wheel sizes or different differential gearing, can cause speedometer inaccuracy.

 

You are off about 2%!!!!????

LEMON LAW. Do NOT walk, RUN to an attorney to arrange for a new truck.
You got screwed, man. There is not a judge or arbitrator in this country who would not tell Toyoda to give you a decent truck back for the turd you ended up with.

 

Sarcasm I hope.

 

my odometer got fixed with larger tires : p

 

That's nothing , just wait till it's riding on the bumpstops because you put a bag of groceries in the bed

 

No spy,oldtime trucker with radar instructor that teaches state police and others what do do and what is needed in court plus other little tips,tricks.



Great,havent hauled anything yet,you just made my day,thanks bud.

 

Toyota speedometers read as much as 5 mile an hour fast and Toyota says within spec.

 

god i hope so. especially since his post is after the guy that posted bout the federal law allowing them to be a little off

 

Mine is off by at least 4 mph. When I first got the truck I could not understand why everybody was going so fast on the interstate.....
Went thru 2 speed sighns that showed me slower than actual and had a buddy drive beside me on the mobile told me his speed and mine is always 4 mph slower.

 

MOST speedometers are off by as much as 5 MPH either high or low and they are within specification IAW the federal government regulations.

 

Sorry,I beg to differ, I driven cars bikes,boats,pickups,cement trucks,dumptrucks,triaxles,tractor trailers,u name it and maybe about 3 or 4 were off by 3 or 4 miles an hour.
I guess I've just been lucky the last 40 years and yes I know about the govt. standards,thats been out for years.

 

My odometer was off by about the same amount. 75 on my odometer corresponded with around 72 on radar and the same trend of about +4% shows up consistently on displayed radars in many different locations around the country. Even a nice hiway patrolman who informed me I was going 89 when I knew my speedo said 93 when he tagged me :-o First tires were 'Rugged Fails' and now I have Michelin LTX M/S2's and the same +4% trend.