B1D30
Mirror Horizontal Motor Control Circuit High
B1D30 is an OBD-II diagnostic trouble code meaning: Mirror Horizontal Motor Control Circuit High. Common causes: short circuit in the motor power supply circuit, broken or damaged mirror wiring harness. Estimated repair cost: $22–167.
Symptoms
- Horizontal mirror adjustment does not work
- Spontaneous movement of the mirror
- Clicking or strange sounds from the mirror
- Warning signal on the dashboard
Causes
- Short circuit in the motor power supply circuit
- Broken or damaged mirror wiring harness
- Faulty horizontal motor
- Problem with mirror control module
- Corrosion of contacts in connectors
How to Fix
- Carry out diagnostics with a scanner to confirm the code
- Check the integrity of the door wiring harness
- Test the mirror motor resistance
- Inspect connectors and contacts for oxidation
- Replace motor or wiring harness if necessary
- Reset the error and check the system operation
Related codes
FAQ
What does the B1D30 code mean?
B1D30 is an OBD-II diagnostic trouble code that indicates: Mirror Horizontal Motor Control Circuit High
What causes a B1D30 error code?
The most common causes of B1D30 include: Short circuit in the motor power supply circuit; Broken or damaged mirror wiring harness; Faulty horizontal motor; Problem with mirror control module.
How do I fix a B1D30 diagnostic trouble code?
To fix B1D30: Carry out diagnostics with a scanner to confirm the code. Check the integrity of the door wiring harness. Test the mirror motor resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1D30?
Limited driving only, diagnose soon
How much does it cost to fix B1D30?
The estimated repair cost for B1D30 is $22–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat