OBD Guide
ENFRDEESPT

B1550

Power Window Master Circuit Short To Ground

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Power windows don't work
  • Power window circuit fuses trip
  • Spontaneous movement of glass
  • Failure of the power window control unit

Causes

  • Wiring harness damage
  • Short circuit in power window motors
  • Malfunction of the power window control unit
  • Contact corrosion
  • Damage to door wiring

How to Fix

  1. Check the condition of the power window circuit fuses
  2. Visually inspect the wiring harness for damage.
  3. Check the resistance of the window motors
  4. Diagnose the power window control unit
  5. Check the integrity of the wiring in the doors
  6. Replace damaged components

Related codes

B1551B1552B1553
FRDEESPT