B15C5 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B15C5 – Manual Button Malfunction

 

B15C5 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B15C5 Possible Causes

 

Faulty Map Light Assembly,Map Light Assembly harness is open or shorted,Map Light Assembly circuit poor electrical connection,Faulty Data Communication Module (DCM) (Telematics Transceiver)

 

B15C5 Description

 

This Diagnostic Trouble Code (DTC) is set when the Data Communication Module (DCM) (Telematics Transceiver) detects an open or short circuit in the manual (SOS) switch.