Test E

Pinpoint Test E: DTC B2872, B2885-Tire Pressure Sensor Fault

Test E1 - E2:

Test E3:

Normal Operation
Each tire pressure sensor transmits a specific radio frequency to the TPMS module once every minute when the vehicle ignition is on.

The tire pressure sensor valve stem serves as an antenna which sends the radio signal to the TPMS module. The tire pressure sensor is battery powered.

Possible Causes
- Tire pressure sensor
- TPMS module
- Tire pressure sensor battery