Engine-CodesDodge – B1D1C Dodge

B1D1C Dodge Code - Mirror Motor Common Control Circuit High

Quick Answer

The B1D1C diagnostic trouble code (DTC) for Dodge vehicles refers to the Mirror Motor Common Control Circuit High. Common causes include Faulty mirror motor, Short circuit in the mirror motor control circuit, Corrosion or damage to wiring connections in the mirror motor circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1D1C Dodge indicates Mirror Motor Common Control Circuit High.
Common causes
Common causes include Faulty mirror motor, Short circuit in the mirror motor control circuit, Corrosion or damage to wiring connections in the mirror motor circuit.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B1D1C Dodge Description

The B1D1C diagnostic trouble code (DTC) for Dodge vehicles refers to the Mirror Motor Common Control Circuit High. This code indicates a problem with the mirror motor control circuit in the vehicle, specifically that the voltage in the circuit is too high. The mirror motor control circuit is responsible for controlling the movement of the side mirrors on the vehicle. When this circuit is not functioning properly, it can affect the ability to adjust the side mirrors, leading to potential safety issues and inconvenience for the driver.

OBDII Code B1D1C Dodge - Mirror Motor Common Control Circuit High
B1D1C Dodge Code - Mirror Motor Common Control Circuit High

Common Causes of B1D1C Dodge

  1. Faulty mirror motor.
  2. Short circuit in the mirror motor control circuit.
  3. Corrosion or damage to wiring connections in the mirror motor circuit.
  4. Defective mirror control switch.
  5. Issues with the body control module (BCM) or mirror control module.

Symptoms of B1D1C Dodge

  1. Inability to adjust the side mirrors using the mirror control switch.
  2. Side mirrors stuck in a fixed position.
  3. Erratic movement or noises coming from the side mirror motors.
  4. Dashboard warning light related to the mirror system.

How to Fix B1D1C Dodge

  1. Begin by inspecting the mirror motor and control circuit for any visible damage or signs of wear.
  2. Test the mirror motor and control circuit using a multimeter to check for proper voltage and continuity.
  3. Replace the mirror motor if it is found to be faulty.
  4. Repair any damaged wiring connections or address any short circuits in the control circuit.
  5. Reset the vehicle's computer system to clear the DTC and test the side mirrors to ensure they are functioning properly.

Cost to Fix B1D1C Dodge

The cost estimate for repairing a B1D1C code related to the Mirror Motor Common Control Circuit High can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the cost of replacing a mirror motor and addressing wiring issues can range from $150 to $300 for parts and labor. However, additional costs may apply if other components need to be replaced or if the issue is more complex. It's recommended to consult with a professional mechanic or auto repair shop for a more accurate cost estimate based on the specific circumstances of the vehicle. Labor rates at auto repair shops typically range from $80 to $150 per hour, but can vary based on location and other factors.

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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 B1D1C Dodge Code

1. What does the OBDII code B1D1C mean on a Dodge?

The B1D1C code indicates a "Mirror Motor Common Control Circuit High," meaning there is an issue with the electrical circuit controlling the mirror motor.

2. What are the symptoms of the B1D1C code on a Dodge?

Common symptoms include non-responsive side mirrors, inability to adjust mirror positions, or intermittent functionality.

3. What causes the B1D1C code to appear on a Dodge vehicle?

Causes may include a faulty mirror motor, damaged wiring, a short or open circuit, or a malfunctioning mirror control switch.

4. Can I still drive my Dodge with the B1D1C code?

Yes, you can drive the vehicle, but the power mirror adjustment may not work properly, which could affect visibility and safety.

5. How do I diagnose the B1D1C code on my Dodge?

Use an OBDII scanner to confirm the code, then check the mirror motor wiring, connectors, and control switch for damage or loose connections.

6. What tools are needed to fix the B1D1C code?

You’ll likely need a multimeter for testing circuits, an OBDII scanner, and basic tools to access the mirror assembly or control switch.

7. How can I fix the B1D1C code on my Dodge?

Repairs may involve fixing or replacing damaged wiring, reconnecting loose connectors, or replacing a faulty mirror motor or control switch.

8. How much does it cost to repair the B1D1C code issue?

Costs vary depending on the cause, but replacing a mirror motor typically ranges from $100 to $300, including parts and labor.

9. Can a blown fuse trigger the B1D1C code on a Dodge?

While unlikely, a blown fuse in the mirror control circuit could contribute to the issue and should be checked during diagnosis.

10. Is it necessary to reset the code after repairs?

Yes, after completing repairs, use an OBDII scanner to clear the code and verify that it doesn’t return.

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