AutoCodes – Generic – B10C7

B10C7 Code - Interior Trunk Antenna Circuit Intermittent

Quick Answer

The Remote Function Actuator (RFA) Module interprets radio frequency signals from the Remote Functions Receiver (RFR) Module and Intelligent Access (IA) key transmitters. Common causes include Faulty Interior Trunk Antenna, Interior Trunk Antenna harness is open or shorted, Interior Trunk Antenna circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B10C7 indicates Interior Trunk Antenna Circuit Intermittent.
Common causes
Common causes include Faulty Interior Trunk Antenna, Interior Trunk Antenna harness is open or shorted, Interior Trunk Antenna circuit poor electrical connection.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,904
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 19, 2024
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Code B10C7 Description

The Remote Function Actuator (RFA) Module interprets radio frequency signals from the Remote Functions Receiver (RFR) Module and Intelligent Access (IA) key transmitters. The RFA module receives input signals from various modules and other components. Based on this information, the RFA module generates an output signal to control various components such as the door locks and the liftgate. The OBDII code sets when the RFA module detects an open, short to ground, or short to voltage from one of the rear passive start antenna circuits.
OBDII Code B10C7 - Interior Trunk Antenna Circuit Intermittent - AutoCodes.com
B10C7 Code - Interior Trunk Antenna Circuit Intermittent

What are the Possible Causes of the DTC B10C7?

  • Faulty Interior Trunk Antenna
  • Interior Trunk Antenna harness is open or shorted
  • Interior Trunk Antenna circuit poor electrical connection
  • Faulty Remote Function Actuator (RFA) Module

How to Fix the DTC B10C7?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B10C7 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B10C7 code?

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Need Help with the Code?

Get the B10C7 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B10C7 Code

1. What are the common symptoms of OBDII code B10C7 (Interior Trunk Antenna Circuit Intermittent)?

The common symptoms of OBDII code B10C7 include intermittent or poor radio reception, weak signal strength, and issues with the remote keyless entry system.

2. What are the possible causes of OBDII code B10C7?

The possible causes of OBDII code B10C7 can include a faulty trunk antenna, damaged antenna wiring, loose connections, or a malfunctioning antenna amplifier.

3. How can I diagnose the issue causing OBDII code B10C7?

To diagnose the issue causing OBDII code B10C7, you can visually inspect the trunk antenna and wiring for any damage, test the antenna's resistance, and use a multimeter to check for continuity in the circuit.

4. Can a DIY enthusiast repair OBDII code B10C7 at home?

Depending on the cause of the code, a DIY enthusiast may be able to repair OBDII code B10C7 at home by replacing the faulty trunk antenna, repairing damaged wiring, or tightening loose connections.

5. Is it safe to continue driving with OBDII code B10C7 present?

While OBDII code B10C7 may not directly affect the drivability of the vehicle, it is recommended to address the issue promptly to ensure proper functioning of the radio and keyless entry system.

6. How much does it typically cost to repair OBDII code B10C7 at a mechanic or dealership?

The cost to repair OBDII code B10C7 at a mechanic or dealership can vary depending on the specific cause of the issue, but it may range from around $100 to $300 or more.

7. Can resetting the OBDII system clear the B10C7 code?

Resetting the OBDII system may temporarily clear the B10C7 code, but if the underlying issue causing the code is not addressed, it is likely to reappear upon subsequent scans.

8. Are there any preventive maintenance tips to avoid OBDII code B10C7 in the future?

To prevent OBDII code B10C7 in the future, it is advisable to periodically inspect the trunk antenna and wiring for damage, secure all connections, and avoid exposing the antenna to harsh environmental conditions.

9. Will OBDII code B10C7 cause the vehicle to fail an emissions test?

OBDII code B10C7 is not directly related to emissions, so it is unlikely to cause the vehicle to fail an emissions test. However, it is still recommended to address the issue promptly for overall vehicle functionality.

10. How long does it typically take to repair OBDII code B10C7?

The time it takes to repair OBDII code B10C7 can vary depending on the exact cause of the issue and the complexity of the repair, but it may range from 1-3 hours at a mechanic or dealership.

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