OBD2 Codes

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C0040 HONDA Code: Meaning, Causes, and Symptoms | OBD2 Codes

C0040 HONDA – Brake Lamp Switch Failure

 

C0040 HONDA Possible Symptoms

 

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

 

C0040 HONDA Possible Causes

 

Faulty Brake Lamp Switch,Brake Lamp Switch harness is open or shorted,Brake Lamp Switch circuit poor electrical connection

 

C0040 HONDA Description

 

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

 

 

 

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