DTC B1A2C / B1A2D / B1A2E / B1A2F

Precautions: Precautions for Diagnosing Trouble · Precautions for Control Systems · General safety (00)

DTC Detecting Condition and Trouble Area

DTC detecting condition	Trouble area
B1A2C: No Data Received From Right Front Tire Pressure Sensor B1A2D: No Data Received From Left Front Tire Pressure Sensor B1A2E: No Data Received From Right Rear Tire Pressure Sensor B1A2F: No Data Received From Left Rear Tire Pressure Sensor TPMS control module does not receive any data from tire pressure sensor although vehicle has run for more than 9 minutes at 25 km/h (16 mile/h) or more.	•Tire pressure sensor No.1, No.2, No.3 and/or No.4 •TPMS control module

DTC Confirmation Procedure

WARNING:

If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.

•Select a level road with no traffic to minimize the risk of accident.
•Perform the test extremely carefully.
•Perform the road test with 2 persons, a driver and a tester.

1)Set ignition “OFF” and leave ignition “OFF” for 20 minutes or more.

2)Drive vehicle at 25 km/h (16 mile/h) or more for 10 minutes or more.

DTC Troubleshooting

NOTE:

After replacing tire pressure sensor(s) or tire(s) equipped with tire pressure sensor, perform tire pressure sensor learning following the instructions in the Registration Procedure for Tire Pressure Sensor ID Code.

If the vehicle is driven without performing the learning for tire pressure sensor ID code registration, DTC(s) may be detected.

Step	Action	Yes	No
1	Do you have recommended tool?	Go to Step 2.	Go to Step 4.
2	Tire pressure sensor check 1)Using recommended tool, check DTC detected tire pressure sensor. Recommended tool “VT55” or “VT30” made by ATEQ Is check result OK?	Go to Step 3.	Go to Step 4.
3	DTC check 1)Clear DTC. 2)Perform DTC Confirmation Procedure and then recheck DTC. Is DTC B1A2C, B1A2D, B1A2E or B1A2F still detected?	Go to Step 4.	Check for intermittent trouble.
4	DTC check 1)Replace DTC detected tire pressure sensor. 2)Clear DTC. 3)Perform DTC Confirmation Procedure and then recheck DTC. Is DTC B1A2C, B1A2D, B1A2E or B1A2F still detected?	Replace TPMS control module and recheck DTC.	End.