Engine-CodesDodge – B1D2E Dodge

B1D2E Dodge Code - Passenger Mirror Horizontal Motor Control Circuit Performance

Quick Answer

The B1D2E diagnostic trouble code (DTC) for Dodge vehicles specifically refers to an issue with the Passenger Mirror Horizontal Motor Control Circuit Performance. Common causes include Faulty passenger side mirror motor, Wiring issues such as a short circuit or open circuit, Defective mirror control switch. 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
B1D2E Dodge indicates Passenger Mirror Horizontal Motor Control Circuit Performance.
Common causes
Common causes include Faulty passenger side mirror motor, Wiring issues such as a short circuit or open circuit, Defective mirror control switch.
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 13, 2024
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Code B1D2E Dodge Description

The B1D2E diagnostic trouble code (DTC) for Dodge vehicles specifically refers to an issue with the Passenger Mirror Horizontal Motor Control Circuit Performance. This code indicates that there is a problem with the control circuit responsible for adjusting the horizontal position of the passenger side mirror. The mirror control system in modern vehicles is typically electronic, allowing the driver to adjust the position of the mirrors from inside the car for better visibility and safety.

OBDII Code B1D2E Dodge - Passenger Mirror Horizontal Motor Control Circuit Performance
B1D2E Dodge Code - Passenger Mirror Horizontal Motor Control Circuit Performance

Common Causes of B1D2E Dodge

  1. Faulty passenger side mirror motor.
  2. Wiring issues such as a short circuit or open circuit.
  3. Defective mirror control switch.
  4. Malfunctioning control module.
  5. Water or moisture damage affecting the mirror control circuit.

Symptoms of B1D2E Dodge

  1. Inability to adjust the horizontal position of the passenger side mirror.
  2. Erratic movement or jerky motion when trying to adjust the mirror.
  3. Mirror position not holding or drifting out of place.
  4. Mirror control switch not responding or functioning intermittently.
  5. Warning light on the dashboard related to mirror control system.

How to Fix B1D2E Dodge

  1. Begin by visually inspecting the wiring harness and connections related to the passenger side mirror control circuit.
  2. Test the mirror motor for proper functionality using a multimeter to check for continuity and resistance.
  3. Check the mirror control switch for any signs of damage or wear, and replace if necessary.
  4. If the issue persists, diagnose the control module for any faults and consider replacing it if needed.
  5. Clear the DTC from the PCM memory using a diagnostic scan tool after completing the repair process.

Cost to Fix B1D2E Dodge

The typical repair costs for addressing the B1D2E code related to the Passenger Mirror Horizontal Motor Control Circuit Performance can vary depending on the specific cause of the issue. In general, the cost of parts such as a new mirror motor, control switch, or control module can range from $50 to $200 or more, depending on the vehicle make and model. Labor costs at an auto repair shop can add an additional $100 to $300 or more, depending on the hourly rates and the complexity of the repair.

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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 B1D2E Dodge Code

1. What does the OBDII code B1D2E mean on a Dodge vehicle?

The code B1D2E indicates a performance issue in the Passenger Mirror Horizontal Motor Control Circuit, which controls the horizontal movement of the passenger-side mirror.

2. What are common symptoms of the B1D2E code in a Dodge?

Symptoms may include the passenger-side mirror not moving horizontally, limited or no response to adjustment commands, or unusual noises coming from the mirror motor.

3. What causes the B1D2E code to appear?

Common causes include a faulty mirror motor, damaged wiring or connectors in the circuit, or a malfunctioning door control module.

4. Can a blown fuse cause the B1D2E code?

Yes, a blown fuse related to the mirror control circuit could cause this code by interrupting power to the horizontal motor.

5. How do you diagnose the B1D2E code?

Diagnosis involves checking the mirror motor for proper operation, inspecting wiring and connectors for damage or corrosion, and using a scan tool to test the door control module.

6. Is the B1D2E code a serious issue?

No, it’s not typically serious as it only affects the mirror’s horizontal adjustment. However, it can be inconvenient and should be addressed for ease of use and visibility.

7. How can you fix the B1D2E code on a Dodge?

Repairs may include replacing the mirror motor, repairing damaged wiring or connectors, or reprogramming or replacing the door control module.

8. Can the B1D2E code be cleared without repairs?

You can clear the code temporarily with a scan tool, but it will likely return if the underlying issue isn’t resolved.

9. How much does it cost to fix the B1D2E code?

Costs vary depending on the issue but typically range from $100 to $300 for parts and labor, depending on whether the motor, wiring, or module needs repair.

10. Can I continue driving with the B1D2E code?

Yes, you can continue driving, but the passenger mirror's horizontal adjustment may be inoperable, potentially affecting visibility and convenience.

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