B1371 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1371 – Illuminated Entry Relay Circuit Failure

 

B1371 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1371 Possible Causes

 

Faulty Illuminated Entry Relay,Illuminated Entry Relay harness is open or shorted,Illuminated Entry Relay circuit poor electrical connection

 

B1371 Description

 

The Body Control Module (BCM) monitors the Illuminated Entry Relay. The BCM sets the OBDII code when the Illuminated Entry Relay is not to factory specifications.