P00B4
Radiator Coolant Temperature Sensor Circuit High
Generic code
Auxiliary Emissions Control
High severity
Hard repair
Free on OBD DashX
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What P00B4 means
- Issue detected with temperature sensor of the radiator fan
Possible symptoms
- Engine may have a hard start when engine is cold and start normal when warm
- Low fluid in transmission/transaxle
Possible causes
- Faulty Low Speed Radiator Fan Relay
- Low Speed Radiator Fan Relay harness is open or shorted
- Low Speed Radiator Fan Relay circuit poor electrical connection
- Faulty Electric Fan
- Faulty Engine Control Module (ECM)
Related parts
- Radiator Temperature Sensor: The radiator temperature sensor is used to measure the temperature of the radiator. Problems lead to engine overheating
Possible solutions
- Checks the voltage at the coolant temperature sensor , replace if necessary
Free on OBD DashX
P00B4 on OBD DashX
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