Engine-Codes - Generic - B125C

B125C - Satellite Antenna Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

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

How is the B125C code repair?

Start by checking 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.

Tech Notes

B125C 01 Satellite Antenna Circuit Short to Battery
B125C 02 Satellite Antenna Circuit Short to Ground
B125C 04 Satellite Antenna Circuit Open

The digital radio antenna requires a clear line of sight to the sky to operate properly. Reception may be limited, intermittent or unavailable inside structures.

What is the cost to diagnose the B125C code

Labor: 1.0

The cost to diagnose the B125C code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B125C Meaning

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.

More Information

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