AutoCodes – Ford – B113C Ford

B113C Ford Code - Rear Audio Switch Circuit Short to Battery

Quick Answer

The Rear Audio and Temperature Control (RATC) Module receives voltage and ground through the circuit. Common causes include Faulty Rear Audio Switch, Rear Audio Switch harness is open or shorted, Rear Audio Switch 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: B113C Ford indicates Rear Audio Switch Circuit Short to Battery.
Common causes: Common causes include Faulty Rear Audio Switch, Rear Audio Switch harness is open or shorted, Rear Audio Switch 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.

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Code Popularity 3,852

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 19, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B113C Ford Description

The Rear Audio and Temperature Control (RATC) Module receives voltage and ground through the circuit. The RATC module receives input from the rear auxiliary audio controls through the circuit. It then sends these signals to the audio unit over the Audio Corporate Protocol (ACP) network through circuits. The RATC module sets the OBDII code when a short to voltage is detected on the circuitry between the RATC module and the rear auxiliary audio switch.

OBDII Code B113C Ford - Rear Audio Switch Circuit Short to Battery - AutoCodes.com — B113C Ford Code - Rear Audio Switch Circuit Short to Battery

What does this mean?

What are the Possible Causes of the DTC B113C Ford?

Faulty Rear Audio Switch
Rear Audio Switch harness is open or shorted
Rear Audio Switch circuit poor electrical connection
Faulty Rear Audio and Temperature Control (RATC) Module

How to Fix the DTC B113C Ford?

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 B113C Ford 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 B113C Ford code?

Need more information on how to fix the B113C Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B113C Ford code diagnosed by a professional: Find a repair shop in your area

Information for Specific Ford Models

B113C 2012 Ford Explorer — Hazard Switch Illumination Circuit Short To Ground

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 B113C Ford Code

1. What does the OBDII code B113C for Ford mean?

The B113C code indicates a "Rear Audio Switch Circuit Short to Battery," meaning there is an electrical issue with the rear audio switch circuit.

2. What are the common symptoms of the B113C code?

Symptoms may include non-functional rear audio controls, unexpected audio system behavior, or a persistent warning light on the dashboard.

3. What causes the B113C code to appear?

Common causes include a short circuit in the wiring, a faulty rear audio control switch, or a malfunctioning audio control module.

4. How can I diagnose the B113C code?

Start by visually inspecting the wiring for damage or shorts, then test the rear audio switch and circuit for continuity using a multimeter.

5. Can I still drive my vehicle with the B113C code active?

Yes, you can still drive the vehicle, but the rear audio controls may not function properly, potentially reducing convenience.

6. How do I fix the B113C code on a Ford vehicle?

Repairs may include replacing damaged wiring, repairing the short circuit, or replacing a faulty rear audio control switch.

7. How much does it cost to repair the B113C code?

Costs can vary depending on the issue, but repairing wiring or replacing the rear audio switch typically costs between $100 and $300.

8. Can a dead battery cause the B113C code to appear?

A dead or weak battery typically does not cause this code, but electrical issues related to battery connections could contribute to short circuits.

9. Is the B113C code related to the head unit of the audio system?

While the code specifically affects the rear audio switch circuit, it may indirectly impact the head unit if the issue disrupts the audio system's functionality.

10. Do I need a professional to fix the B113C code?

If you're experienced with electrical diagnostics, you may be able to repair it yourself, but consulting a professional is recommended for complex issues.