Tire rotation and the TPMS
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Joined: Dec 2002
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From: Houston, TX
02 996 C2 Cabrio
Tire rotation and the TPMS
The TPMS (Tire Pressure Monitoring System) sensors are mounted inside the rim opposite the valve stems.
When rotating tires, do you need to keep each sensor in its original location?
For example, if I wanted to rotate the RF tire to the RR position, can I just swap wheels?
Will this affect the TPMS since the RF sensor will now be in the RR position, and the RR sensor will now be in the RF position?
If this affects the TPMS, then that would require unmounting and remounting tires, thus allowing the sensors to stay in their original positions.
The sensors must be specifically coded to maintain their independent readings; however, how would the computer know that you moved the RF sensor to the RR position by swapping wheels?
The RF pressure reading on the display screen may then be truly reflective of the RR tire pressure since a wheel swap was performed.
Happy Saturday! Cheers
When rotating tires, do you need to keep each sensor in its original location?
For example, if I wanted to rotate the RF tire to the RR position, can I just swap wheels?
Will this affect the TPMS since the RF sensor will now be in the RR position, and the RR sensor will now be in the RF position?
If this affects the TPMS, then that would require unmounting and remounting tires, thus allowing the sensors to stay in their original positions.
The sensors must be specifically coded to maintain their independent readings; however, how would the computer know that you moved the RF sensor to the RR position by swapping wheels?
The RF pressure reading on the display screen may then be truly reflective of the RR tire pressure since a wheel swap was performed.Happy Saturday! Cheers
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Joined: Apr 2004
Posts: 28
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From: Alaska
W211 E320 4Matic
It is my understanding that you have to reset the system when you change the pressure substantially or change the rim position (push the reset button and select reactivate... drive for 10-15 minutes and the system should register correctly). It will be a simple matter to verify for yourself that the sensors are reporting properly since the front and back tire pressures are significantly different.
