Temperature Gauge Circuit Malfunction
1994-2004 Chevrolet S-10 2.2L I4
Description
The engine temperature gauge in the instrument cluster is not functioning or reads incorrectly.
Symptoms
- Temperature gauge stuck at cold
- Gauge stuck at hot
- Temperature gauge erratic
- No temperature warning capability
Common Causes
- Faulty coolant temperature sender for gauge
- Cluster gauge failure
- Wiring issue
- Sender connector corroded
Diagnostic Steps
- Check coolant temp sender resistance
- Test gauge with simulated resistance
- Inspect sender connector
- Compare scan tool temp to gauge reading
Repair Notes
Replace coolant temperature sender for gauge (separate from ECT sensor) or repair cluster.
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
B0404 on Other Vehicles
Chevrolet Astro
1995-2005 4.3L V6 Vortec
Chevrolet Avalanche
2002-2006 5.3L V8 Vortec
Chevrolet Avalanche
2002-2006 8.1L V8 Vortec
Chevrolet Avalanche
2007-2013 5.3L V8 Vortec
Chevrolet Avalanche
2007-2013 6.0L V8 Vortec
Chevrolet Aveo
2012-2018 1.6L I4
Chevrolet Beat
2018-2021 1.2L I4
Chevrolet Beretta
1990-1996 2.2L I4
Common Questions
What does code B0404 mean on a 1994-2004 Chevrolet S-10?
B0404 stands for "Temperature Gauge Circuit Malfunction". The engine temperature gauge in the instrument cluster is not functioning or reads incorrectly.
What are the symptoms of B0404 on a Chevrolet S-10?
Common symptoms of B0404 include: Temperature gauge stuck at cold, Gauge stuck at hot, Temperature gauge erratic, No temperature warning capability.
What causes B0404 on a 1994-2004 Chevrolet S-10?
Common causes of B0404 include: Faulty coolant temperature sender for gauge, Cluster gauge failure, Wiring issue, Sender connector corroded.