P1199
O2S Heater Circuit Bank 2 Sensor 2 Electrical Malfunction
P1199 is an OBD-II diagnostic trouble code meaning: O2S Heater Circuit Bank 2 Sensor 2 Electrical Malfunction. Common causes: malfunction of the oxygen sensor heating element, open or short circuit in wiring harness. Estimated repair cost: $28–89.
Symptoms
- Check Engine Light Is On
- Increased fuel consumption
- Unstable engine operation at idle
- Reduced vehicle dynamics
- Possible failures during acceleration
Causes
- Malfunction of the oxygen sensor heating element
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Faulty heater circuit relay or fuse
- Problems with the engine control unit
How to Fix
- Check the condition of the heater circuit fuses and relays
- Inspect the wiring harness and sensor connector for damage.
- Measure the resistance of the sensor heater
- If necessary, replace the oxygen sensor
- Check the operation of the system after repair
Related codes
Error P1199 by Vehicle Brand
FAQ
What does the P1199 code mean?
P1199 is an OBD-II diagnostic trouble code that indicates: O2S Heater Circuit Bank 2 Sensor 2 Electrical Malfunction
What causes a P1199 error code?
The most common causes of P1199 include: Malfunction of the oxygen sensor heating element; Open or short circuit in wiring harness; Poor contact in the sensor connector; Faulty heater circuit relay or fuse.
How do I fix a P1199 diagnostic trouble code?
To fix P1199: Check the condition of the heater circuit fuses and relays. Inspect the wiring harness and sensor connector for damage.. Measure the resistance of the sensor heater. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1199?
Yes, but get it checked soon
How much does it cost to fix P1199?
The estimated repair cost for P1199 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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