lenny_held1
VW T-Cross TPMS Sensors Trigger False Pressure Alerts
4 comment(s)
lenny_held1 (Author)
I have the same car with 83504km on the odometer. My tire check warning started right after my last service. The TPMS issue was exactly like yours, constant warnings despite proper air pressure readings. After the sensor diagnostic, it turned out the TPMS needed a complete reset, not just a replacement. The mechanic found that road salt had corroded one sensor connection, triggering false low tire alerts. The fix was much cheaper than expected at 90€ for cleaning and recalibration. The tire pressure warnings completely stopped after this repair. No dashboard alerts for the past 6 months now.
berndsteel1
Thanks for sharing your repair experience. It's interesting that your solution was more straightforward than mine, focusing on cleaning rather than replacement. Road salt corrosion affecting TPMS sensors is actually quite common in these VW models. My T-Roc needed the full sensor replacement because waiting too long with the issue led to more extensive damage. The flat tire warnings initially seemed intermittent, appearing mainly during cold starts. The air pressure readings were correct at every check, which made the diagnosis tricky. For anyone else facing similar TPMS issues: Act quickly when tire pressure warnings first appear, Regular air valve cleaning can prevent sensor corrosion, Proper winter maintenance helps avoid salt damage, Calibration should be done after every tire rotation The 90€ you paid for cleaning and recalibration shows that early detection saves money. My 280€ repair bill could have been lower with faster action. The key lesson from both our cases is that correct tire pressure readings dont always mean the sensors are working properly.
lenny_held1 (Author)
Your repair solution proved much more cost-effective than mine. Found out that road salt causing low tire sensor alerts is surprisingly common on these VW TPMS systems. Early intervention really helped keep the repair costs at 90€ instead of the 280€ I paid for a full sensor replacement. The tire pressure readings looked normal during manual checks, which made the constant dashboard warnings confusing at first. Glad the mechanic spotted the corrosion issue before more extensive damage occurred. Regular tire check maintenance and sensor cleaning definitely seem worth it to prevent these problems. Having driven 6 months without any TPMS warnings confirms the fix worked perfectly. Makes me wish I had investigated the flat tire alerts sooner rather than assuming the sensors just needed resetting. At least other owners can learn from our contrasting repair experiences, addressing these warnings promptly saves both money and hassle.
Join the discussion now:
berndsteel1
Having some experience with VW models, I faced an identical TPMS issue on my VW T-Roc from 2019. The tire pressure warning kept appearing despite correct readings at every air valve check. After multiple manual tire inflation attempts and persistent warnings, I took it to a workshop. The diagnostic revealed that one TPMS sensor battery was depleted, causing false readings. The total repair cost was 280€, including sensor replacement and system recalibration. Quick troubleshooting tips before visiting a workshop: Verify all tire pressures with a reliable gauge, Check if warnings appear at specific speeds, Note if the issue affects one or multiple tires, Record when the warning light first appeared To provide more specific guidance, could you share: Engine size and type, Current mileage, Whether the warning is constant or intermittent, If any recent tire work was performed This information would help determine if your case matches my experience or requires a different approach.