DTC C1783-83: Front Wheels Speed Sensor Signal Malfunction [08/2015 - 08/2019]: Procedure

1. Clear the DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
2. Perform a road test.
3. Check if DTC U0122/71 is output (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
   RESULT
   
   

   Result	Proceed to
   DTC is not output or only DTC 1783/83 is output	A
   DTCs 1783/83 and U0122/71 are output	B

Result: 

B 

GO TO DTC U0122/71 

(Refer to DTC U0100/71: Lost Communication with ECM/PCM "A"; DTC U0114/71: Lost Communication with Four-Wheel Drive Clutch Control Module; DTC U0122/71: Lost Communication with Vehicle Dynamics Control Module; DTC U0124/71: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126/71: Lost Communication with Steering Angle Sensor Module; DTC U0140/71: Lost Communication with Body Control Module [08/2015 - 08/2019] )

Result: 

A 

See step  2

1. Check if DTC C1783/83 and a brake control system speed sensor malfunction DTC are output (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
   RESULT
   
   

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

A 

REPLACE SUSPENSION CONTROL ECU 

(Refer to REMOVAL [08/2015 - ] )

Result: 

B 

GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) 

(Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2015 - 08/2019] )