P01F5
O2 Sensor Circuit No Activity Detected Bank 1 Sensor 4
P01F5 is an OBD-II diagnostic trouble code meaning: O2 Sensor Circuit No Activity Detected Bank 1 Sensor 4. Common causes: broken or damaged sensor wiring harness, oxygen sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Deteriorating fuel economy
- Reduced catalytic converter efficiency
Causes
- Broken or damaged sensor wiring harness
- Oxygen sensor malfunction
- Problems with power or grounding of the sensor
- Engine control unit (ECU) malfunction
How to Fix
- Check the integrity of the sensor wiring harness
- Check the voltage and grounding of the sensor
- Replace the oxygen sensor if necessary
- Check the operation of the engine control unit
Related codes
Error P01F5 by Vehicle Brand
FAQ
What does the P01F5 code mean?
P01F5 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Circuit No Activity Detected Bank 1 Sensor 4
What causes a P01F5 error code?
The most common causes of P01F5 include: Broken or damaged sensor wiring harness; Oxygen sensor malfunction; Problems with power or grounding of the sensor; Engine control unit (ECU) malfunction.
How do I fix a P01F5 diagnostic trouble code?
To fix P01F5: Check the integrity of the sensor wiring harness. Check the voltage and grounding of the sensor. Replace the oxygen sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P01F5?
Limited driving only, diagnose soon
How much does it cost to fix P01F5?
The estimated repair cost for P01F5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat