B1A87 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1A87 – ESCL Unlock Control Circuit Short To Ground Or Open

 

B1A87 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1A87 Possible Causes

 

Faulty Daytime Running Lamp (DRL) Assembly,Daytime Running Lamp (DRL) Assembly harness is open or shorted,Daytime Running Lamp (DRL) Assembly circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B1A87 Description

 

The OBDII code is set when the Body Control Module (BCM) detects an open or short to ground on the Daytime Running Lamp (DRL) Signal circuit (SRT only).