Low tire warning, not tire sensor

[Oxygen454]

This low tire sensor warning is driving me nuts!! It says front passenger tire is low and then show -- for loss of connection. I rotated the tires to see if it was the sensor in the tire and the problem stayed in the front right. So it may be the module or wiring to the module?

After rotating the tires, I added air to the rear tire and the tire pressure monitoring system showed the rear tire filling up so its defiantly not the sensor in the tire.

 

[HarryS]

sounds like the module. You'll have to scan it.

 

[Bigskyroadglide]

Don't know your year or model but the module is usually in front of the driver's front tire, you might try cleaning it and the connection of wiring. It can't hurt.

Seen a few with mud and muck up there when removed, things cleared up

 

[Oxygen454]

I scanned it a couple times and there was no codes. There was also no codes in the history either so very strange. I may have to try and scan when the error flashes up on the dash. I would assume loss communication to passenger front would be the error.

I will see if I can get up in there and find/check the module. The truck is a 2013 Ram 1500 SLT 4x4 3.6L

 

[Ken226]

I scanned it a couple times and there was no codes. There was also no codes in the history either so very strange. I may have to try and scan when the error flashes up on the dash. I would assume loss communication to passenger front would be the error.

I will see if I can get up in there and find/check the module. The truck is a 2013 Ram 1500 SLT 4x4 3.6L

Do you have OEM wheels? Are the sensors OEM? How old are the sensors?

Front driver side puts the engine and all it's associated electrical interference directly between the receiver module and the passenger side sensor.

Perhaps a weak battery in the sensor, weak signal strength and/or more material from aftermarket wheels are conspiring to create intermittent signal loss from that position.

All the RF noise from 8 injectors and 8 ignition coils might mean that the front/right is the first to lose reception when batteries get weak.

 

[Oxygen454]

Okay was able to read the modules and got a code after all!


C1502-96 - Tire pressure sensor 2 - Component Internal Failure
C0077-00 - Low Tire Pressure

I was able to unhook and remove the module under the front driver bumper area. The harness was dry and spotless, the wires looked near brand new and the inside of the box was clean and dry as well. The circuit board looked good on the bottom side. Could not see the top side of the board without ripping it out. So is the module just bad or is there more to this? I don't like replacing parts with out knowing for sure.

I noticed my scanner was only showing a tire pressure for tire #3 and no other tires at the time of scan which was weird. All the sensors reported back Battery Low = No

 

[Ken226]

Okay was able to read the modules and got a code after all!


C1502-96 - Tire pressure sensor 2 - Component Internal Failure
C0077-00 - Low Tire Pressure

I was able to unhook and remove the module under the front driver bumper area. The harness was dry and spotless, the wires looked near brand new and the inside of the box was clean and dry as well. The circuit board looked good on the bottom side. Could not see the top side of the board without ripping it out. So is the module just bad or is there more to this? I don't like replacing parts with out knowing for sure.

I noticed my scanner was only showing a tire pressure for tire #3 and no other tires at the time of scan which was weird. All the sensors reported back Battery Low = No

View attachment 579193View attachment 579194

I have a couple tpms scanners. Both my Think tpms and the Ateq VT37 have more than once shown sensor batteries to be good on 13+ year old sensors, that have been in service since new and we're barely transmitting. That indicator isn't trustworthy.

 

[Oxygen454]

Ah good to know. Appreciate the feedback. I'm thinking no matter where that tire goes on my truck, its programmed as #2 and will always show front passenger fault.

I will get a new sensor in the tire and see how that goes. (its cheaper than replacing the module and reflashing the computer too)

 

[Oxygen454]

I missed your message above there Ken. The sensors may be as old as the truck (2013) and are all stock wheels. I'm second owner and have never replaced them.
I will get the one swapped out as its driving me nuts, then when I get new tires, I will get the rest of them changed.

 

[turkeybird56]

OEM sensors on 2019 from dealer $93 a piece. Just replaced r/r sensor. Just FYI. Not know if same part as 2013. Just giving U a ballpark number

 

[Magfan2]

I do like the sensor - first I've had, though the Wife's SUVs have had them for years. I always got by with eyes, pressure gauge and a pump. Of course I was not towing. Is it possible, for future reference, to revert to the old ways and program out the warning?

 

[Ken226]

I missed your message above there Ken. The sensors may be as old as the truck (2013) and are all stock wheels. I'm second owner and have never replaced them.
I will get the one swapped out as its driving me nuts, then when I get new tires, I will get the rest of them changed.

2009-2013 use a different sensor than the 20014+

My truck is a 2013. When my first sensor died around 2019, I replaced it with a Schrader 29093 sensor from RockAuto. It's still in there, working just fine.

2013 RAM 1500 5.7L V8 Tire Pressure Monitoring System (TPMS) Sensor | Shop Now at RockAuto

Wheel Parts and More for Your 2013 RAM 1500 at Reliably Low Prices. Fast Online Catalog. DIY-Easy. Your Choice of Quality. Full Manufacturer Warranty.

www.rockauto.com

When the 2nd one died, I bought my TPMS programmer so that I can use universal sensors and program them to the truck myself. It can
program pretty much any universal sensor to pretty much any car.

The Schrader 29093 is pre programmed to your truck and will start working automatically within a few dozen miles.



The 2nd one got replaced with a Schrader EZ Sensor 33500, which I programmed to my truck with the Ateq VT37.

https://a.co/d/dmAT1Hd

The 3rd to die got replaced with a Launch Tsensor-03, also programmed to the truck with the Ateq VT37

Amazon.com: Launch TPMS Sensor, 2 in 1 Dual Frequency 315Mhz & 433Mhz Universal Programmable OEM TPMS RF-Sensor, Fit for Tire Pressure Monitoring System, Unlimited Programmability Press in 1 Sensor, Rubber : Automotive

Buy Launch TPMS Sensor, 2 in 1 Dual Frequency 315Mhz & 433Mhz Universal Programmable OEM TPMS RF-Sensor, Fit for Tire Pressure Monitoring System, Unlimited Programmability Press in 1 Sensor, Rubber: Replacement Sensors - Amazon.com ✓ FREE DELIVERY possible on eligible purchases

a.co

The EZ Sensor and the Tsensor-03 are universal programmable sensors. Les Schwab tires uses Ateq Programmers, so they should be able to program the EZ Sensors and probably the Launch too. I think they carry the EZ Sensors in stock and used them on pretty much everything.



A couple months ago RockAuto had the Schrader 29093 on sale for under 20$ each, so I bought 4 just to keep on-hand, just in case.