Question
How do you diagnose TPMS issues in a vehicle with a faulty CAN bus?
Answer
Use a CHEPQ scanner to read sensor data directly (bypass CAN bus) and compare to ECU readings.
Explain
A faulty CAN bus may block TPMS data; scanning sensors directly helps isolate CAN issues from sensor issues. CHEPQ tools show “direct vs. CAN data” to identify bus faults.
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