Question
What causes TPMS sensor “drift” over time?
Answer
Wear on MEMS pressure cells, thermistor aging, or battery voltage drops.
Explain
MEMS cells wear with use; thermistors drift due to heat cycles; low battery voltage causes signal instability. CHEPQ tools detect drift by comparing sensor readings to a calibrated gauge.
Related Diagnostic Guide
To explore this topic in a broader system-level diagnostic context:
Related Guide: TPMS Diagnostic Guide: System Architecture, Sensor Technology & Advanced Diagnostics
Recommended Diagnostic Solutions
To apply the diagnostic concepts discussed above in real-world scenarios, explore our full range of professional automotive diagnostic tools. These solutions are designed to support battery testing, system diagnostics, and data analysis for modern vehicles and workshop environments.
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