DTC C1787: Forward/Rearward/Sideways G Sensor Communication Error (FROM 08/2009): Procedure
- CHECK CAN COMMUNICATION SYSTEM
- Check the CAN communication system for any malfunctions. Refer to DIAGNOSIS SYSTEM
.
Result
Condition Proceed to CAN communication system is normal A CAN communication system is malfunctioning B
B → See step 4
A: Go to next step
- Check the CAN communication system for any malfunctions. Refer to DIAGNOSIS SYSTEM
.
- CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)
- Check if the VSC system outputs any DTC relevant to speed sensors. Refer to DTC CHECK / CLEAR
.
Result
Condition Proceed to G sensor DTC or yaw rate and acceleration sensor DTC is output A G sensor DTC or yaw rate and acceleration sensor DTC is not output B
B → See step 5
A → See step 3
- Check if the VSC system outputs any DTC relevant to speed sensors. Refer to DTC CHECK / CLEAR
.
- REPLACE SUSPENSION CONTROL ECU. Refer to REMOVAL
- GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- GO TO VEHICLE STABILITY CONTROL SYSTEM. Refer to DIAGNOSTIC TROUBLE CODE CHART