Diesel Data: Automotive Repair

C1781

DTC C1781/81 Suspension Control ECU Malfunction

DESCRIPTION

DTC Detection Condition:




If a malfunction in the suspension control ECU is detected, DTC C1781/81 is output.

Step 1:




INSPECTION PROCEDURE

NOTE:
- Before performing troubleshooting, inspect the connectors of related circuits.
- If the suspension control ECU or height control sensor is replaced, the vehicle height offset calibration must be performed.