B125C Code: Meaning, Causes, and Symptoms | OBD2 Codes

B125C – Satellite Antenna Circuit


B125C Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B125C Possible Causes


Faulty Radio Antenna Base (Cellular Phone, Navigation and Digital Radio Antenna),Radio Antenna Base harness is open or shorted,Radio Antenna Base circuit poor electrical connection,Faulty Radio Unit


B125C Description


The digital radio receiver, located inside the radio, receives digital radio information from the digital radio antenna located on the outside of the vehicle. The digital radio receiver is connected to the digital radio antenna via a shielded coax cable. The digital radio antenna contains an amplifier which is powered by the radio through the coax cable.