AutoCodes – Generic – B11C0

B11C0 Code - Driver Side Rear Door Ajar Switch General Electrical Failure

Quick Answer

The Body Control Module (BCM) monitors the Driver Side Rear Door Ajar Switch. Common causes include Faulty Driver Side Rear Door Ajar Switch, Driver Side Rear Door Ajar Switch harness is open or shorted, Driver 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: B11C0 indicates Driver Side Rear Door Ajar Switch General Electrical Failure.
Common causes: Common causes include Faulty Driver Side Rear Door Ajar Switch, Driver Side Rear Door Ajar Switch harness is open or shorted, Driver 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.

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Code Popularity 2,284

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Basic DIY (1 / 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 B11C0 Description

The Body Control Module (BCM) monitors the Driver Side Rear Door Ajar Switch. The BCM sets the OBDII code when the BCM detects an open from the left rear door ajar circuit.

OBDII Code B11C0 - Driver Side Rear Door Ajar Switch General Electrical Failure - AutoCodes.com — B11C0 Code - Driver Side Rear Door Ajar Switch General Electrical Failure

What does this mean?

What are the Possible Causes of the DTC B11C0?

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

How to Fix the DTC B11C0?

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 B11C0 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 B11C0 code?

Need more information on how to fix the B11C0 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B11C0 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B11C0 Chrysler — Steering Wheel Heater Power Supply Circuit Open
B11C0 Dodge — Steering Wheel Heater Power Supply Circuit Open
B11C0 Ford — Driver Side Rear Door Ajar Switch General Electrical Failure
B11C0 Jeep — Steering Wheel Heater Power Supply Circuit Open
B11C0 Lincoln — Driver Side Rear Door Ajar Switch General Electrical Failure
B11C0 Mercury — Driver Side Rear Door Ajar Switch General Electrical Failure
B11C0 RAM — Steering Wheel Heater Power Supply Circuit Open

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 B11C0 Code

1. What are the common symptoms of OBDII code B11C0 related to the driver side rear door ajar switch general electrical failure?

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

2. What are the possible causes of OBDII code B11C0 indicating a driver side rear door ajar switch general electrical failure?

Possible causes include a faulty door ajar switch, wiring issues in the door harness, a malfunctioning body control module, or a poor electrical connection.

3. How can I diagnose the driver side rear door ajar switch general electrical failure causing OBDII code B11C0?

You can use a multimeter to test the continuity of the door ajar switch, inspect the wiring for any visible damage, and scan the vehicle's computer for specific fault codes related to the issue.

4. Is it safe to continue driving with OBDII code B11C0 triggered by a driver side rear door ajar switch general electrical failure?

While it may be safe to drive in some cases, the constant illumination of interior lights can drain the battery over time. It is recommended to address the issue promptly to avoid any potential electrical problems.

5. Can I repair OBDII code B11C0 related to driver side rear door ajar switch general electrical failure myself?

Depending on your experience level, you may be able to replace the faulty door ajar switch or repair wiring issues yourself. However, more complex issues with the body control module may require professional assistance.

6. Are there any temporary solutions to mitigate the symptoms of OBDII code B11C0 until I can repair the driver side rear door ajar switch issue?

You can try manually pressing and releasing the door ajar switch to see if the lights turn off temporarily. Additionally, disconnecting the battery for a few minutes may reset the system and temporarily alleviate the symptoms.

7. How much does it typically cost to repair OBDII code B11C0 caused by a driver side rear door ajar switch general electrical failure?

The cost of repair can vary depending on the specific issue, the labor rates in your area, and whether you choose to repair the problem yourself or seek professional help. It's advisable to obtain quotes from local auto repair shops for an accurate estimate.

8. Will OBDII code B11C0 related to a driver side rear door ajar switch general electrical failure affect the vehicle's overall performance?

The code itself may not impact the vehicle's performance, but the underlying electrical issue could lead to battery drain, potential safety concerns with interior lighting, and inconvenience with power door lock operation.

9. How long does it typically take to repair OBDII code B11C0 associated with a driver side rear door ajar switch general electrical failure?

The repair time can vary depending on the exact cause of the issue. Simple fixes like replacing a door ajar switch may take an hour or two, while more complex wiring or module repairs could take longer and may require multiple visits to the repair shop.

10. Can a regular car diagnostic tool be used to clear OBDII code B11C0 related to a driver side rear door ajar switch general electrical failure?

Yes, a standard OBDII scanner can be used to clear the code temporarily. However, if the underlying issue with the driver side rear door ajar switch is not addressed, the code is likely to reappear once the system detects the fault again.