How Should TPMS Work?
#16
Racer
It’s good to read the manual. For my previous 2013 CD:
“The Tire Pressure Monitoring System system must be set to the applicable tire pressure (comfort pressure or standard pressure).
If you selected "Comfort press.", the TPMS system automatically uses lower pressure values when monitoring tire pressures.”
__________________
2014 991 TT
2018 95B S
“The Tire Pressure Monitoring System system must be set to the applicable tire pressure (comfort pressure or standard pressure).
If you selected "Comfort press.", the TPMS system automatically uses lower pressure values when monitoring tire pressures.”
__________________
2014 991 TT
2018 95B S
#17
Pro
It’s good to read the manual. For my previous 2013 CD:
“The Tire Pressure Monitoring System system must be set to the applicable tire pressure (comfort pressure or standard pressure).
If you selected "Comfort press.", the TPMS system automatically uses lower pressure values when monitoring tire pressures.”
__________________
2014 991 TT
2018 95B S
“The Tire Pressure Monitoring System system must be set to the applicable tire pressure (comfort pressure or standard pressure).
If you selected "Comfort press.", the TPMS system automatically uses lower pressure values when monitoring tire pressures.”
__________________
2014 991 TT
2018 95B S
If you're firing an alert, -4psi is a pretty big difference. You may have a nail in your tire and a slow leak.