P1052
Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 2
P1052 is an OBD-II diagnostic trouble code meaning: Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 2. Common causes: open or short circuit in the sensor heater circuit, air-fuel ratio sensor malfunction. Estimated repair cost: $33–89.
Symptoms
- Increased fuel consumption
- Unstable engine operation at idle
- Check engine light comes on
- Reduced engine power
- Increased emissions of harmful substances
Causes
- Open or short circuit in the sensor heater circuit
- Air-fuel ratio sensor malfunction
- Problems with wiring harness or contacts
- Engine ECU malfunction
- Corrosion or oxidation of contacts
How to Fix
- Check the continuity of the sensor heater circuit
- Check the resistance of the sensor heating element
- Inspect the wiring harness and contacts for damage
- Replace the air-fuel ratio sensor if necessary
- Check the operation of the engine ECU
Related codes
FAQ
What does the P1052 code mean?
P1052 is an OBD-II diagnostic trouble code that indicates: Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 2
What causes a P1052 error code?
The most common causes of P1052 include: Open or short circuit in the sensor heater circuit; Air-fuel ratio sensor malfunction; Problems with wiring harness or contacts; Engine ECU malfunction.
How do I fix a P1052 diagnostic trouble code?
To fix P1052: Check the continuity of the sensor heater circuit. Check the resistance of the sensor heating element. Inspect the wiring harness and contacts for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1052?
Yes, but get it checked soon
How much does it cost to fix P1052?
The estimated repair cost for P1052 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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