P00B5
Radiator Coolant Temperature Sensor Circuit Intermittent/Erratic
P00B5 is an OBD-II diagnostic trouble code meaning: Radiator Coolant Temperature Sensor Circuit Intermittent/Erratic. Common causes: wiring harness damage, poor contact in sensor connectors. Estimated repair cost: $22–56.
Symptoms
- Incorrect coolant temperature readings
- Engine overheating
- Unstable engine operation
- Check Engine Light Illuminates
Causes
- Wiring harness damage
- Poor contact in sensor connectors
- Coolant temperature sensor malfunction
- Short circuit in the circuit
- Problems with the ECU
How to Fix
- Check the integrity of the wiring harness
- Clean and check the contacts in the sensor connectors
- Replace the coolant temperature sensor if necessary
- Check resistance and voltage in the circuit
- Scan the ECU for other errors
Related codes
Error P00B5 by Vehicle Brand
FAQ
What does the P00B5 code mean?
P00B5 is an OBD-II diagnostic trouble code that indicates: Radiator Coolant Temperature Sensor Circuit Intermittent/Erratic
What causes a P00B5 error code?
The most common causes of P00B5 include: Wiring harness damage; Poor contact in sensor connectors; Coolant temperature sensor malfunction; Short circuit in the circuit.
How do I fix a P00B5 diagnostic trouble code?
To fix P00B5: Check the integrity of the wiring harness. Clean and check the contacts in the sensor connectors. Replace the coolant temperature sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P00B5?
Limited driving only, diagnose soon
How much does it cost to fix P00B5?
The estimated repair cost for P00B5 is $22–56. Actual cost depends on your vehicle, location, and labor rates.
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