B0403
Fuel Gauge Circuit Malfunction
1990-1996 Eagle Summit 2.4L I4
Low SeverityBodyGeneric (SAE)
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
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
- B0012Driver Side Airbag Deployment Circuit Short to Ground
- B0013Driver Side Airbag Deployment Circuit Short to Battery
B0403 on Other Vehicles
Common Questions
What does code B0403 mean on a 1990-1996 Eagle Summit?
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 Eagle Summit?
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 1990-1996 Eagle Summit?
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.