OBD Guide
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B1175

Drivers Door Ajar Switch General Electrical Failure

B1175 is an OBD-II diagnostic trouble code meaning: Drivers Door Ajar Switch General Electrical Failure. Common causes: open or short circuit in the sensor circuit, door sensor malfunction. Estimated repair cost: $22–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • False alarm of door open indicator
  • Incorrect operation of the central locking
  • Faulty interior lighting when opening the door

Causes

  • Open or short circuit in the sensor circuit
  • Door sensor malfunction
  • Wiring harness damage
  • Contact corrosion
  • Body Control Module (BCM) Malfunction

How to Fix

  1. Check the integrity of the wiring harness in the door area
  2. Check sensor contacts and connectors
  3. Test the door sensor
  4. Check sensor circuit resistance
  5. If necessary, replace the sensor or repair the wiring harness

Related codes

B1176B1177B1178

FAQ

What does the B1175 code mean?

B1175 is an OBD-II diagnostic trouble code that indicates: Drivers Door Ajar Switch General Electrical Failure

What causes a B1175 error code?

The most common causes of B1175 include: Open or short circuit in the sensor circuit; Door sensor malfunction; Wiring harness damage; Contact corrosion.

How do I fix a B1175 diagnostic trouble code?

To fix B1175: Check the integrity of the wiring harness in the door area. Check sensor contacts and connectors. Test the door sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1175?

Limited driving only, diagnose soon

How much does it cost to fix B1175?

The estimated repair cost for B1175 is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat