AutoCodes – Mercury – B113D Mercury

B113D Mercury Code - Rear Climate Control Switch Stuck

Quick Answer

Under normal operation, the ground is provided to the rear climate control switch through the circuit. Common causes include Faulty Rear Climate Control Switch, Rear Climate Control Switch harness is open or shorted, Rear Climate Control 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
B113D Mercury indicates Rear Climate Control Switch Stuck.
Common causes
Common causes include Faulty Rear Climate Control Switch, Rear Climate Control Switch harness is open or shorted, Rear Climate Control 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 821
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 B113D Mercury Description

Under normal operation, the ground is provided to the rear climate control switch through the circuit. When the switch is pressed, ground through an internal resistor is sent to the Rear Audio and Temperature Control (RATC) module through the circuit. The Rear Audio and Temperature Control (RATC) Module sets the OBDII when the module senses continuous voltage drop on the switch output circuit.
OBDII Code B113D Mercury - Rear Climate Control Switch Stuck - AutoCodes.com
B113D Mercury Code - Rear Climate Control Switch Stuck

What are the Possible Causes of the DTC B113D Mercury?

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

How to Fix the DTC B113D Mercury?

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 B113D Mercury 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 B113D Mercury code?

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Need Help with the Code?

Get the B113D Mercury code diagnosed by a professional: Find a repair shop in your area

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 B113D Mercury Code

1. What are the common symptoms of OBDII code B113D in a Mercury related to the rear climate control switch being stuck?

- The rear climate control switch may be unresponsive or difficult to operate, leading to the inability to adjust the temperature or fan speed for the rear climate control system.

2. What are the possible causes of the rear climate control switch getting stuck in a Mercury triggering OBDII code B113D?

- The most common causes include a faulty rear climate control switch, wiring issues, a malfunctioning blend door actuator, or a problem with the rear HVAC control module.

3. How can I diagnose the issue causing OBDII code B113D in my Mercury with a stuck rear climate control switch?

- You can start by visually inspecting the rear climate control switch for any physical damage or debris. Additionally, checking the wiring connections and running a diagnostic scan with an OBDII scanner can help pinpoint the exact cause.

4. Are there any temporary fixes or workarounds for a stuck rear climate control switch in a Mercury experiencing OBDII code B113D?

- Occasionally, cycling the ignition on and off a few times may temporarily resolve the issue. However, it's crucial to address the root cause promptly to prevent further problems.

5. Can a DIY enthusiast repair the rear climate control switch issue causing OBDII code B113D in a Mercury?

- Depending on the specific cause, some DIY repairs like replacing the rear climate control switch or checking and securing wiring connections may be feasible for those with moderate automotive repair skills.

6. Is it safe to continue driving my Mercury with OBDII code B113D due to a stuck rear climate control switch?

- While the vehicle may still be operable, it's advisable to address the issue promptly to ensure proper functionality of the rear climate control system and avoid potential discomfort for rear passengers.

7. Do I need specialized tools to repair the rear climate control switch problem associated with OBDII code B113D in my Mercury?

- Basic tools such as screwdrivers, pliers, and a multimeter for electrical testing may be required depending on the repair needed. Specialized diagnostic tools like an OBDII scanner can also aid in troubleshooting.

8. Are there any recalls or service bulletins related to OBDII code B113D and the rear climate control switch in Mercury vehicles?

- It's recommended to check with a Mercury dealership or online resources for any relevant recalls or service bulletins addressing issues with the rear climate control switch to ensure proper resolution.

9. What is the typical cost to repair the rear climate control switch issue causing OBDII code B113D in a Mercury at a professional auto repair shop?

- The cost can vary based on the specific cause of the problem, parts needed for replacement, and labor rates. It's advisable to obtain quotes from multiple repair shops for comparison.

10. How long does it usually take to repair a stuck rear climate control switch triggering OBDII code B113D in a Mercury?

- The repair time can range from a few hours to a full day, depending on the complexity of the issue and the availability of parts. It's recommended to consult with the repair technician for a more accurate timeframe.

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