B1174 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1174 – Front Door Lock-Link Switch Right Unlock Circuit Malfunction

 

B1174 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1174 Possible Causes

 

Faulty Front Door Lock-Link Switch Right,Front Door Lock-Link Switch Right harness is open or shorted,Front Door Lock-Link Switch Right circuit poor electrical connection,Faulty Rear Body Control Module (RBCM)

 

B1174 Description

 

The Rear Body Control Module (RBCM) monitors the Front Door Lock-Link Switch Right Switch. The RBCM sets the OBDII code when the RBCM detects a short to ground in the Front Door Lock-Link Switch Right Unlock circuit with the Front Door Lock-Link Switch Right Locked.