Fuel Gauge Circuit Malfunction
2015-2015 Chevrolet Spark EV Electric Motor 🇩🇪
Description
The fuel gauge is not displaying correctly or is stuck at one position.
Symptoms
- Fuel gauge stuck on empty
- Fuel gauge stuck on full
- Fuel gauge reads erratically
- Low fuel warning inaccurate
Common Causes
- Faulty fuel level sending unit
- Instrument cluster gauge failure
- Wiring damage between tank and cluster
- Corroded fuel sender connector
- Float stuck in tank
Diagnostic Steps
- Check fuel sender resistance with scan tool
- Test gauge with simulated sender resistance
- Inspect fuel sender connector
- Test gauge stepper motor
- Check ground circuit
Repair Notes
Replace fuel level sending unit in tank or instrument cluster gauge. Check sender connector for corrosion.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0009Rear Center Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
B0403 on Other Vehicles
Chevrolet Astro
1996-1996 4.3L V6 Vortec
Chevrolet Astro
1997-1997 4.3L V6 Vortec
Chevrolet Astro
1998-1998 4.3L V6 Vortec
Chevrolet Astro
1999-1999 4.3L V6 Vortec
Chevrolet Astro
2000-2000 4.3L V6 Vortec
Chevrolet Astro
2001-2001 4.3L V6 Vortec
Chevrolet Astro
2002-2002 4.3L V6 Vortec
Chevrolet Astro
2003-2003 4.3L V6 Vortec
Common Questions
What does code B0403 mean on a 2015-2015 Chevrolet Spark EV?
B0403 stands for "Fuel Gauge Circuit Malfunction". The fuel gauge is not displaying correctly or is stuck at one position.
What are the symptoms of B0403 on a Chevrolet Spark EV?
Common symptoms of B0403 include: Fuel gauge stuck on empty, Fuel gauge stuck on full, Fuel gauge reads erratically, Low fuel warning inaccurate.
What causes B0403 on a 2015-2015 Chevrolet Spark EV?
Common causes of B0403 include: Faulty fuel level sending unit, Instrument cluster gauge failure, Wiring damage between tank and cluster, Corroded fuel sender connector, Float stuck in tank.
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