DTC Table
Precautions: Precautions for Diagnosing Trouble · Precautions for Control Systems · General safety (00)
NOTICE:
If you do not follow TPMS Check for DTC diagnosis, the diagnosis will show a false result.
Follow TPMS Check for DTC diagnosis, noting Precautions for Diagnosing Trouble.
| DTC | DTC name | DTC detecting condition | Low tire pressure warning light |
|---|---|---|---|
B1A00 
|
Battery Voltage Low | Power supply circuit voltage is lower than specified value although vehicle has run at 25 km/h (16 mile/h) or more. | Lights up after blinks for 75 seconds |
| B1A01
|
Battery Voltage High | Power supply circuit voltage is higher than specified value for specified time. | Lights up after blinks for 75 seconds |
| B1A02
|
Receiver Circuit No Response | This DTC is detected if all of the following conditions are met.
•TPMS control module does not receive any data from all tire pressure sensors for specified time.
•Receiver integrated in TPMS control module does not respond. |
Lights up after blinks for 75 seconds |
| B1A03
|
Internal Control Module EEPROM Error | TPMS control module internal failure. (EEPROM error) | Lights up after blinks for 75 seconds |
| B1A10
|
Tire Pressure Sensor Location Not Detected | Location of tire pressure sensor is not detected. | Off |
| B1A11
|
Auto Tire Pressure Sensor ID Code Learning Not Complete | Automatic learning of tire pressure sensor ID code is not completed. | Lights up after blinks for 75 seconds |
| B1A20
|
Right Front Tire Pressure Sensor Data Error | TPMS control module receives abnormal data from tire pressure sensor. | Lights up after blinks for 75 seconds |
| B1A21
|
Left Front Tire Pressure Sensor Data Error | Lights up after blinks for 75 seconds | |
| B1A22
|
Right Rear Tire Pressure Sensor Data Error | Lights up after blinks for 75 seconds | |
| B1A23
|
Left Rear Tire Pressure Sensor Data Error | Lights up after blinks for 75 seconds | |
| B1A24
|
Right Front Tire Pressure Sensor Battery Voltage Low | TPMS control module receives battery run down signal from tire pressure sensor for specified time when tire temperature is higher than –10 °C (14 °F). | Off |
| B1A25
|
Left Front Tire Pressure Sensor Battery Voltage Low | Off | |
| B1A26
|
Right Rear Tire Pressure Sensor Battery Voltage Low | Off | |
| B1A27
|
Left Rear Tire Pressure Sensor Battery Voltage Low | Off | |
| B1A28
|
Right Front Tire Pressure Sensor Temperature Too High | This DTC is detected if all of the following conditions are met.
•TPMS control module does not receive any data from tire pressure sensor although vehicle has run for more than 6 minutes at 25 km/h (16 mile/h) or more.
•TPMS control module receives higher tire temperature than specified value. |
Off |
| B1A29
|
Left Front Tire Pressure Sensor Temperature Too High | Off | |
| B1A2A
|
Right Rear Tire Pressure Sensor Temperature Too High | Off | |
| B1A2B
|
Left Rear Tire Pressure Sensor Temperature Too High | Off | |
| B1A2C
|
No Data Received From Right Front 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. | Lights up after blinks for 75 seconds |
| B1A2D
|
No Data Received From Left Front Tire Pressure Sensor | Lights up after blinks for 75 seconds | |
| B1A2E
|
No Data Received From Right Rear Tire Pressure Sensor | Lights up after blinks for 75 seconds | |
| B1A2F
|
No Data Received From Left Rear Tire Pressure Sensor | Lights up after blinks for 75 seconds | |
| B1A30
|
Right Front Tire Pressure Low | Tire pressure is lower than specified value. | Lights up |
| B1A31
|
Left Front Tire Pressure Low | Lights up | |
| B1A32
|
Right Rear Tire Pressure Low | Lights up | |
| B1A33
|
Left Rear Tire Pressure Low | Lights up | |
| B1A40
|
Tire Pressure Sensor Not Learned/Programmed | Tire pressure sensor ID code is not registered in TPMS control module. | Lights up |
| B1A41
|
Vehicle Variant Data Not Programmed | Vehicle variant data is not stored in TPMS control module. | Lights up after blinks for 75 seconds |
| B1A42
|
Vehicle Variant Data Mismatched | Inconsistency between vehicle variant data stored in TPMS control module and vehicle information signal transmitted via CAN communication. | Lights up after blinks for 75 seconds |
| B1A48
|
Vehicle Speed Wrong Data | This DTC is detected if any one of the following conditions is met.
•TPMS control module receives higher tire acceleration data than specified value for specified time continuously even if vehicle speed is lower than 5 km/h (3 mile/h).
•TPMS control module receives invalid vehicle speed signal from ECM for specified time continuously. |
Lights up after blinks for 75 seconds |
| B1A49
|
Wheel Speed Sensor Wrong Data | TPMS control module receives invalid wheel speed signal from ESP® control module for specified time. | Off |
| U0073
|
Control Module Communication Bus Off | TPMS control module fails to transmit and receive data via CAN for specified time continuously. | Off |
| U0100
|
Lost Communication With ECM | Receiving error of data from ECM via CAN for specified time continuously. | Lights up after blinks for 75 seconds |
| U0121
|
Lost Communication With ABS / ESP® Control Module | Receiving error of the data from ESP® control module via CAN for specified time continuously. | Lights up after blinks for 75 seconds |
| U0140
|
Lost Communication With Body Control Module | Receiving error of the data from BCM via CAN for specified time continuously. | Lights up after blinks for 75 seconds |
| U0155
|
Lost Communication With Instrument Panel Cluster (IPC) Control Module | Receiving error of the data from combination meter via CAN for specified time continuously. | Lights up after blinks for 75 seconds |