Question
How do you diagnose a “No Communication” error with a TPMS sensor?
Answer
It means the ECU can’t receive signals—causes include dead battery, RF interference, or sensor damage.
Explain
Use a CHEPQ TPMS scanner to: 1) Check if the sensor is broadcasting (listen for RF bursts); 2) Test battery voltage (via scanner); 3) Inspect for physical damage (corroded pins, cracked housing). If the sensor is silent, replace it; if broadcasting but ECU doesn’t receive, check vehicle antennas.
Recommended Diagnostic Solutions
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