TPMS and Remote Keyless issue
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TPMS and Remote Keyless issue
Where is the receiver for the TPMS and Remote Keyless on a 2010 F 150?
I have an issue with both, last year the TPMS would randomly give me sensor failures and clear themselves and at the same time the remote keyless distance that it would work at was greatly decreased, basically 2 lengths away and it wouldnt work. Tried new batteries in the FOB etc... Well by chance I left the lights on and killed the battery last summer and after I got it jumped started the issue went away for a year, now its back and they both act up intermittently at the same time. I tried to disconnect the battery to simulate what happened last year, no luck.
So I am looking for the receiver for these devices.
I have an issue with both, last year the TPMS would randomly give me sensor failures and clear themselves and at the same time the remote keyless distance that it would work at was greatly decreased, basically 2 lengths away and it wouldnt work. Tried new batteries in the FOB etc... Well by chance I left the lights on and killed the battery last summer and after I got it jumped started the issue went away for a year, now its back and they both act up intermittently at the same time. I tried to disconnect the battery to simulate what happened last year, no luck.
So I am looking for the receiver for these devices.
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Joined: Oct 2010
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From: Timbuk3 MI
Both the RKE (Remote Key Entry) and the TPMS (Tire Pressure Monitoring System) are monitored by the SJB (Smart Junction Box).
Excerpted from the Ford Motorcraft Tire Pressure Monitoring System document ...
Excerpted from the Ford Motorcraft Tire Pressure Monitoring System document ...
Q: Can other aftermarket devices affect the TPMS system?
A: Some aftermarket devices can cause radio frequency interference that will block the TPMS sensor signal causing an intermittent concern. This can cause the TPMS lamp to illuminate. Some of the more common items are: cell phone chargers, GPS power supplies, or any other aftermarket electronic device. Unplugging the aftermarket devices can help determine if they are the cause of an intermittent concern.
Excerpted from the 2010 F-150 service manual ...A: Some aftermarket devices can cause radio frequency interference that will block the TPMS sensor signal causing an intermittent concern. This can cause the TPMS lamp to illuminate. Some of the more common items are: cell phone chargers, GPS power supplies, or any other aftermarket electronic device. Unplugging the aftermarket devices can help determine if they are the cause of an intermittent concern.
Items That Cause RFI
Non-OEM Equipment
The following equipment has been found to sometimes cause RFI :
In some cases, the RFI may actually be caused by a module or ground on the vehicle. Depending on the severity of the issue, a dirty ground, improperly built ground shield or module can disable the system. Modules that have microcontrollers using clock circuits to create the timing pulses for the microprocessor may radiate RFI .
Non-OEM Equipment
The following equipment has been found to sometimes cause RFI :
- Video equipment has been found to cause RFI especially when the video and power supply lines are near the TPMS .
- Car alarms (even those installed by dealerships) have been found to create enough RFI to cause the TPMS to malfunction or lose considerable range. These car alarms can sometimes be difficult to locate, as they are usually hidden somewhere out of the way for reduced accessibility.
- Many different in-vehicle cell phone chargers have been found to cause considerable RFI . The vehicles with the power point closest to the TPM are the most affected. It must be noted that most cell phone chargers do not produce high levels of RFI all the time. This depends on the state of charge of the cell phone battery. The phone must be almost completely discharged in some cases.
- Power supplies and DC/AC inverters typically create a lot of RFI . Most consumer grade equipment has very little filtering or shielding.
In some cases, the RFI may actually be caused by a module or ground on the vehicle. Depending on the severity of the issue, a dirty ground, improperly built ground shield or module can disable the system. Modules that have microcontrollers using clock circuits to create the timing pulses for the microprocessor may radiate RFI .
Last edited by gDMJoe; Jul 1, 2014 at 09:33 AM.
This is a video I did when I installed my Ford remote start in my truck. The TPMS module that the antenna plugs into is on the right side of the dash behind the glovebox. Fast forward to 2:45.
The kit works on all 2011-2014 F-150's with the hood switch (if you don't have the hood switch you have to install it) and with power locks. I'm not sure if there is a kit for the XL's without power locks unless you go aftermarket.