The TPMS module compares the signal of vehicle speed via CAN communication line with the G value of the TPMS sensor. If the TPMS module does not see a vehicle speed signal or if the signal is out of specified range, the TPMS module sets this fault code.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
CAN Signal Check | 1. Faulty EMS system 2. Faulty wheel Speed Sensor 3. Faulty TPMS sensor 4. CAN communication |
Enable Conditions |
•
The vehicle speed is over 15 MPH(25 KPH) | |
Threshold value |
•
If TPMS Module receive wrong signal of vehicle speed (FF) EMS for more than 2.5 seconds continuously.
•
If the CAN signal of vehicle speed is less than 5kph(3.1mi/h) and the acceleration values of sensors which are more than 2 at the vehicle receive more than 5g for 7 times consecutive . | |
TPMS Lamp |
•
Lamp ON |