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Tyre Pressure Monitoring Issue

JAW911

JAW911

PCGB Member
Member
On starting my 991.1 today, a yellow tyre warning light came on saying my front offside needed an extra 4psi although the TPMS said both front tyres are the same pressure! Went to a garage and tested both fronts and they are both the same pressure! Warning light still on even after starting again (re-booting!). Any ideas anyone or does it need an OPC reset?
 
I suspect the battery may becoming weak. TPM sensors' life expectancy is around 5 years and if one is on its way out, the others will surely soon follow.
Regards,

Clive
 
Thanks Clive. I did wonder if that might be the case. It’s in for a service in a month or so.
 
My 997 turbo is still on the original sensors after nearly 10 years! Funny how variable the battery life of these seems to be.
 
Oddly enough the front nearside came on needing 6psi as well this morning. The four TPMS readings are however still all correct!
 
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