DTC B2143

• ID registration failure

DETECTION CONDITION

• Two or more codes are overlapping.

POSSIBLE CAUSE

• ID registration procedure has not been performed properly.

STEP

INSPECTION

ACTION

1

• Turn the ignition switch off.

• Connect the M-MDS to the DLC-2.

• Select the following PIDs using the M-MDS:

• ID_WU1

• ID_WU2

• ID_WU3

• ID_WU4

• Turn the ignition switch to the ON position.

• Is the same code in the output ID?

Yes

Register the wheel unit ID, then go to the next step.

(See WHEEL UNIT ID REGISTRATION.)

No

Go to the next step.

2

• Clear the DTC from the memory.

  (See TIRE PRESSURE MONITORING SYSTEM (TPMS) ON-BOARD DIAGNOSIS.)

• Drive the vehicle at a speed of 25 km/h {15.5 mph} or more for 10 min or more.

• Is the same DTC present?

Yes

• Repeat the inspection from Step 1.

  If the malfunction recurs, replace the instrument cluster and/or wheel unit.

  (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

  (See WHEEL UNIT REMOVAL/INSTALLATION.)

No

Go to the next step.

3

• Are there any other DTCs present?

Yes

Go to the applicable DTC inspection. (See TIRE PRESSURE MONITORING SYSTEM (TPMS) ON-BOARD DIAGNOSIS.)

No

DTC troubleshooting completed.