2015 Accord Touring I4
Join Date: May 2012
location: Toronto, Ontario
Thanked 204 Times in 179 Posts
Just found this post on honda tech.. is this true? For 2008 accord with TPMS.. I can buy sensors for my winters and not have to get them programmed at the dealer?
Honda uses 2 types of TPMS.
Type One is the sensor in the wheel has its own freq being transmitted to the TPMS ECU located under the Drives Side dash, The Sensor reads a given temp inside the tire via voltage and relays that voltage reading over radio waves to the TPMS ecu which then comps to tire pressure which will set the low tire indicator off at 28psi if the temp is low. (standard on 07 CR-V, 08 Accord, 08 Fits, 08 Pilots, 08 Ridgelines, 07 0dyssey Tourings, 07 Element). Type 2 has a sensor in the wheel (Civics, 08 Elements, 09-10 Fits, 08 Odyssey )[Honda's are Valve Stem Sensors] that at every rotation it sends a freq to a reciever in the fender or 1/4 panel, which then by wire sends the given voltage to the ECU located either in D/S kick panel, or P/S given the vehicle.
To initalize these when we get them off the truck from the factory, we do this by dropping all tire pressue till the low tire indicator comes on per tire that way it registers Tire 1, Tire 2, Ect. This now registers the tires with the ECU, But if tire pressures are too high or there is an actual freq error the TPMS letter will be set and need to be cleared. If for some reason the registration isnt complete. a code will be set after 20 miles says Honda( actual its more like 200+ miles per my experience as a Tech) for it and you'll have to re-register the TPMS sensor via HDS( Honda Diagnostic System)[Dealer Only] and the Honda TPMS Special Tool then the light will blink once done, drive over 40mph with it blinking,yeah fun fun fun for us. I can go indepth if others want the full detail, but i wont here..
Changes have been made in 2009-10 on certain vehicle on what type of TPMS system to be used. Accords Still use the same much do the Crosstours.
But if you have access or can get access to clear the code ; if its a registration error re-drop all tires till the TPMS low tire indicator light comes on starting on the d/s front, d/s rear, p/s rear/ p/s front. This will help with later to dio a bad sensor..
Valve Stem Core Remover
Re-Register: *key on, engine off*
1. Remove Valve Core
2. Watch for Low tire indiactor to come on(18-28psi)
3. Once on, re-install core
4. Inflate Tire to 3psi over Proper Door Reading
now move around the vehicle and see if you can get them all to register, if one of the tires doesnt throw the light on, you got a bad sensor which is causing a registration error or is the main reason to your code, the dealer where they will re-dio it, clear the code, throw a new $175 sensor and 1hr if not more on TPMS Re-learn and your light is out.
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