C1489 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1489 – Rear Differential Motor Brake Component Internal Failure

 

C1489 Possible Symptoms

 

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

 

C1489 Possible Causes

 

Faulty Electronic Limited Slip Differential (ELSD) Motor,Electronic Limited Slip Differential (ELSD) Motor harness is open or shorted,Electronic Limited Slip Differential (ELSD) Motor circuit poor electrical connection,Faulty Electronic Limited Slip Differential (ELSD) Module

 

C1489 Description

 

The Electronic Limited Slip Differential (ELSD) Module monitors the Rear Differential Motor Brake. The ELSD Module sets the OBDII code when it detects slippage of the motor brake causing an internal failure.