DTC C1787: Forward/Rearward/Sideways G Sensor Communication Error [08/2015 - 08/2019]: Procedure

1. Check for yaw rate and acceleration sensor malfunction DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2017] , or refer to DTC CHECK / CLEAR [08/2017 - 08/2019] ).
   RESULT
   
   

   Condition	Proceed to
   DTC is not output	A
   DTC is 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 - 08/2017] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2017 - 08/2018] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2018 - 08/2019] )