B15A8 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B15A8 – Telematics Transceiver Malfunction

 

B15A8 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B15A8 Possible Causes

 

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

 

B15A8 Description

 

This Diagnostic Trouble Code (DTC) is set when an error in the Electrically Erasable Programmable Read-Only Memory (EEPROM) or Phase-Locked Loop Integrated Circuit (PLL) IC is detected on the Data Communication Module (DCM) (Telematics Transceiver) self-check. The EEPROM stores the various data to operate the Safety Connect system. The PLL IC oscillates telephone radio frequency.