DTC Troubleshooting: 12, 14, 16, 18

DTC 12, 14, 16, 18:  Wheel Sensor (Electrical Noise/Intermittent Interruption)


NOTE: If the ABS indicator comes on because of electrical noise, the indicator goes off when you test-drive the vehicle at 19 mph (30 km/h).

1.Check the appropriate wheel sensor and magnetic encoder.

DTC Appropriate Wheel Sensor 
12 Right-front 
14 Left-front 
16 Right-rear 
18 Left-rear 

Are they OK?


YES - Go to 2.


NO - Reinstall or replace the appropriate  wheel sensor or magnetic encoder.n


2.Disconnect the negative cable from the battery.

3.Disconnect the ABS control unit 47P connector.

4.Check for continuity between the appropriate wheel sensor GND terminal and other wheel sensor GND terminals (see table).

DTC Appropriate
Terminal 
Appropriate Terminal 
12 FR-GND: No. 33 No. 46 No. 42 No. 37 
14 FL-GND: No. 46 No. 33 No. 42 No. 37 
16 RR-GND: No. 42 No. 33 No. 46 No. 37 
18 RL-GND: No. 37 No. 33 No. 46 No. 42 

 

Is there continuity?


YES - Repair short in the wire between the appropriate wheel sensor and the other wheel sensor.n


NO - Clear the DTC, and test-drive the vehicle. If the ABS indicator comes on and the same DTC is indicated, replace the  ABS modulator-control unit.n