Of course, it won't help if you don't have sensors in your wheels that match what the module is programmed for.Ĭlick to expand.You can get a clone of the USB cable that the Toyota Techstream software requires, as well as a hacked version of Techstream. Mine is an '06, and my understanding is that the '07+ have a slightly different system, so the above might not help. After that, I set all my tires to desired pressure, followed the baseline pressure reset as per the owners manual, and about 2 months later it is still working properly, with no light. The second tire also turned the light solid, and much to my delight, the light went out when reinflated. The first one turned the blinking light to solid, then the blinking returned when reinflated. I turned the key to on, then started deflating tires one at a time to trigger the sensors, much like we did for the snap on TPMS tool. Then, a couple months ago, I decided to try a free experiment while doing a routine servive on it in my shop. I was unwilling to spend money on it, so put up with the blinking for almost a year with the intent to disable the system. The second time it happened, I had moved and no longer had access to the equipment for free. All sensor ID numbers matched up to what the module was programmed for, and resetting with the scanner resolved the blinking light for almost a year. Connecting the scanner showed a code for loss of signal from one of the sensors, which we reset without issue. All sensors including the spare were found to send a good signal including their unique ID number. The one gadget he had would read the signal from the sensor when you held it beside the tire inline with the sensor, but to trigger the sensor to send a signal, you deflate the tire by around 10 psi. The first time I had the free help of my snap-on dealer as he was interested in becoming more familar with the TPMS tooling he was selling and trying to demo for his automotive customers. Both occurances lasted months without resolving itself. A steady light indicates low pressure, and a blinking light indicates a malfunction of the system. I've had mine screw up and start blinking twice now, both times when in slushy or muddy conditions. I'm sure a dealership would appreciate being given the codes to reprogram the ECU. I am not about to start cutting wires and using tape to ignore the light or trick the ECU.īy the way, I bought the rims and tires from Discount Tire Direct and I sure wish they would have provided the code numbers for the sensors they put in. That's what I paid for when I bought the new tires and truck. I don't know if all service departments will take the time to do this but I would recommend shopping around because the TPMS system should work. The codes were all printed on my service invoice and they charged me $30 bucks to do the reprograming. When they finished, the service adviser said they 'read' the new codes into the ECU and I was all set. I was ready for my 5000 mile service visit and mentioned to my service advisor I couldn't reset the TPMS. The ECU has to learn the new codes before it can monitor them. One post stated the ECU has to be re-programmed to look for the TPS on the new wheels and rims. If the ECU doesn't find them all it makes the pressure icon light up on the dash. The ECU in my regular cab was looking for the 5 codes that came with the truck when I bought it. I read a lot of the great posts on TW and TN learning each sensor has a discrete code. I upgraded my tires and rims recently and suffered, like many on the forum, the inability to reset my tire pressure sensors according to the instructions in the owners manual. just spend 15 minutes at a local tire shop that you trust (we're lucky here in SoCal, Discount is a GREAT shop), and see what they can do for you. So, before spending $300+ on a clone Techstream and replacement sensors and building a "pipe bomb". He was able to unlock it, and the TPMS light went off on restart. the error indicated that the dash button was stuck down! He went all the way around, brought the inflation to the requested level on all tires, and said that all of my batteries were good. He said that he couldn't pull the serial numbers, but he could reset the system as long as I didn't have a dead battery. Not wanting to pay the dealer $100 for the hour of labor and be told I need $1000 in repairs, I finally took it to Discount today.Īsked if they could scan the serial numbers or let me know if a battery was dead. Bought the truck last December, TPMS has from day 1 flashed for a couple of minutes on startup then gone solid. Figured one or more of the wheels had been swapped, or I had a dead battery.
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