C1187 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1187 – ABS Differential Lock Controller

 

C1187 Possible Symptoms

 

Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)

 

C1187 Possible Causes

 

Faulty ABS Differential Lock Controller,ABS Differential Lock Controller harness is open or shorted,ABS Differential Lock Controller circuit poor electrical connection

 

C1187 Description

 

The Anti-Lock Brake System (ABS) Module monitors the ABS Differential Lock Controller. The ABS Module sets the OBDII code when the ABS Differential Lock Controller is not to factory specifications.