B125A BUICK - Antenna Signal Circuit
B125A BUICK 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
How do I fix code B125A BUICK?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
B125A 04 Antenna Signal Circuit Open Circuit
Poor AM and FM radio reception may be due to multiple influences, some of which may not be vehicle related. Areas which have high RF traffic or block the signal path may cause a degradation in radio reception. Radio reception may also be influenced by items within the vehicle, but not part of the radio system. Such examples are aftermarket electrical accessories or other items which may generate noise in the vehicle electrical system. Aftermarket window tinting, especially when there is a metallic in the film, may reduce radio reception.
AM reception is highly dependent on the antenna amplifier receiving battery voltage from the radio and being properly grounded. The antenna base has a built in antenna amplifier that boosts both AM and FM reception. When the antenna amplifier does not receive power, AM stations may not be received and FM reception will be limited. If the antenna base is not properly grounded, excessive interference in the signal may occur or reception may be limited.
Cost of diagnosing the B125A BUICK code
Labor: 1.0The cost of diagnosing the B125A BUICK code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
B125A BUICK DescriptionThe AM/FM antenna is part of the multi-band antenna is located on the roof of the vehicle. The radio provides battery voltage to the AM/FM amplifier in the antenna base using the center conductor of the antenna coaxial cable. When a 12 V signal is seen by the amplifier, both AM and FM signals are amplified. The OBDII code sets when the radio detects an open or short to ground in the antenna signal circuit center conductor.
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