AutoCodes – Generic – B11C1

B11C1 Code - Passenger Side Rear Door Ajar Switch General Electrical Failure

Quick Answer

The Body Control Module (BCM) monitors the Passenger Side Rear Door Ajar Switch. Common causes include Faulty Passenger Side Rear Door Ajar Switch, Passenger Side Rear Door Ajar Switch harness is open or shorted, Passenger Side Rear Door Ajar 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
B11C1 indicates Passenger Side Rear Door Ajar Switch General Electrical Failure.
Common causes
Common causes include Faulty Passenger Side Rear Door Ajar Switch, Passenger Side Rear Door Ajar Switch harness is open or shorted, Passenger Side Rear Door Ajar 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 4,419
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 B11C1 Description

The Body Control Module (BCM) monitors the Passenger Side Rear Door Ajar Switch. The BCM sets the OBDII code when the BCM detects an open from the right rear door ajar circuit.
OBDII Code B11C1 - Passenger Side Rear Door Ajar Switch General Electrical Failure - AutoCodes.com
B11C1 Code - Passenger Side Rear Door Ajar Switch General Electrical Failure

What are the Possible Causes of the DTC B11C1?

  • Faulty Passenger Side Rear Door Ajar Switch
  • Passenger Side Rear Door Ajar Switch harness is open or shorted
  • Passenger Side Rear Door Ajar Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B11C1?

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 B11C1 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 B11C1 code?

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Need Help with the Code?

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Information for Specific Makes

  • B11C1 Ford β€” Passenger Side Rear Door Ajar Switch General Electrical Failure
  • B11C1 Lincoln β€” Passenger Side Rear Door Ajar Switch General Electrical Failure
  • B11C1 Mercury β€” Passenger Side Rear Door Ajar Switch General Electrical Failure
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 B11C1 Code

1. What are the common symptoms of OBDII code B11C1 related to the Passenger Side Rear Door Ajar Switch General Electrical Failure?

The common symptoms may include the interior lights staying on when the door is closed, the door ajar warning light constantly illuminated, and potential issues with the power locks.

2. What are the possible causes of OBDII code B11C1 for the Passenger Side Rear Door Ajar Switch General Electrical Failure?

Potential causes may include a faulty door ajar switch, a wiring issue in the door circuit, a malfunctioning control module, or a loose connection in the electrical system.

3. How can I diagnose the OBDII code B11C1 for the Passenger Side Rear Door Ajar Switch General Electrical Failure?

Diagnosis involves using a scan tool to retrieve the specific fault code, inspecting the door ajar switch and its wiring for damage, testing the electrical connections, and checking the control module for any faults.

4. How can I repair OBDII code B11C1 related to the Passenger Side Rear Door Ajar Switch General Electrical Failure?

Repair may involve replacing the faulty door ajar switch, repairing or replacing damaged wiring, ensuring all electrical connections are secure, and resetting the control module after making necessary repairs.

5. Can I drive my vehicle with OBDII code B11C1 triggered by the Passenger Side Rear Door Ajar Switch General Electrical Failure?

It is not recommended to drive with this code active, as it can lead to potential safety hazards, such as doors opening unexpectedly or draining the battery due to lights staying on.

6. Will resetting the OBDII code B11C1 related to the Passenger Side Rear Door Ajar Switch General Electrical Failure resolve the issue?

Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem. Proper diagnosis and repair are necessary to address the root cause of the electrical failure.

7. How much does it typically cost to repair OBDII code B11C1 for the Passenger Side Rear Door Ajar Switch General Electrical Failure?

The cost of repair can vary depending on the specific issue, parts needed, and labor rates. It is recommended to consult with a professional mechanic for an accurate estimate.

8. Can a DIY enthusiast fix OBDII code B11C1 caused by Passenger Side Rear Door Ajar Switch General Electrical Failure?

Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this issue. However, it is important to have a good understanding of automotive electrical systems to tackle this problem.

9. Is it common for the Passenger Side Rear Door Ajar Switch General Electrical Failure to cause other electrical issues in the vehicle?

Yes, a malfunctioning door ajar switch can sometimes lead to other electrical problems in the vehicle, such as issues with the interior lights, power locks, and the alarm system.

10. How frequently does the OBDII code B11C1 related to Passenger Side Rear Door Ajar Switch General Electrical Failure occur in vehicles?

The occurrence of this specific code can vary depending on the make and model of the vehicle, but it is a relatively common issue in vehicles with door ajar switch sensors. Regular maintenance and inspection can help prevent this problem.

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