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Home/DTC Codes/Fiat/500/2012-2019 1.4L I4/B0240
B0240

Sunroof Motor Circuit

2012-2019 Fiat 500 1.4L I4

Low SeverityBodyGeneric (SAE)

Description

Malfunction in the sunroof/moonroof motor circuit. The sunroof does not open, close, or tilt.

Symptoms

  • Sunroof does not move
  • Sunroof opens but will not close
  • Motor noise but no movement
  • Sunroof switch unresponsive

Common Causes

  • Faulty sunroof motor
  • Sunroof track obstruction
  • Switch failure
  • Wiring damage in headliner
  • Sunroof off track

Diagnostic Steps

  1. Check sunroof fuse
  2. Test sunroof switch
  3. Apply direct power to motor
  4. Inspect sunroof tracks for debris
  5. Check if panel is off track

Repair Notes

Replace sunroof motor or clear track obstruction. Re-initialize sunroof if it has lost calibration.

Related Codes

B0241Sunroof Position Sensor CircuitB0242Sunroof Drain Blockage Detected

Other Body Codes

B0240 on Other Vehicles

Fiat 124 Spider

2017-2020 1.4L I4 Turbo

Fiat 126p Maluch

1973-2000 0.65L I2 Air-Cooled

Fiat 126p Maluch

1987-2000 0.7L I2 Air-Cooled

Fiat 500 Abarth

2012-2019 1.4L I4 Turbo

Fiat 500 BR

2011-2020 1.4L I4 Flex Fire Evo

Fiat 500 PL

2007-2025 1.0L I3 Hybrid FireFly 70

Fiat 500 PL

2007-2025 1.2L I4 Fire 69

Fiat 500 PL

2020-2025 Electric 42kWh

Common Questions

What does code B0240 mean on a 2012-2019 Fiat 500?

B0240 stands for "Sunroof Motor Circuit". Malfunction in the sunroof/moonroof motor circuit. The sunroof does not open, close, or tilt.

What are the symptoms of B0240 on a Fiat 500?

Common symptoms of B0240 include: Sunroof does not move, Sunroof opens but will not close, Motor noise but no movement, Sunroof switch unresponsive.

What causes B0240 on a 2012-2019 Fiat 500?

Common causes of B0240 include: Faulty sunroof motor, Sunroof track obstruction, Switch failure, Wiring damage in headliner, Sunroof off track.

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