OBD Guide
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B1403

Driver Power Window Up Switch Circuit Failure

B1403 is an OBD-II diagnostic trouble code meaning: Driver Power Window Up Switch Circuit Failure. Common causes: faulty power window switch, break in the wiring harness. Estimated repair cost: $22–89.

Severity
✅ Low
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–89 (est.)

Symptoms

  • Driver's door power window not working
  • Intermittent operation of the window regulator
  • Window up button sticking out
  • The window regulator only works in one direction

Causes

  • Faulty power window switch
  • Break in the wiring harness
  • Short circuit in the circuit
  • Oxidation of connector contacts
  • Problems with the control module

How to Fix

  1. Diagnostics of the switch circuit with a multimeter
  2. Checking connectors for corrosion and damage
  3. Replacing the power window switch
  4. Repairing damaged wiring
  5. Reset error codes and recheck

Related codes

B1400B1401B1402B1404

FAQ

What does the B1403 code mean?

B1403 is an OBD-II diagnostic trouble code that indicates: Driver Power Window Up Switch Circuit Failure

What causes a B1403 error code?

The most common causes of B1403 include: Faulty power window switch; Break in the wiring harness; Short circuit in the circuit; Oxidation of connector contacts.

How do I fix a B1403 diagnostic trouble code?

To fix B1403: Diagnostics of the switch circuit with a multimeter. Checking connectors for corrosion and damage. Replacing the power window switch. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1403?

Do not drive — repair immediately

How much does it cost to fix B1403?

The estimated repair cost for B1403 is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat