P112D
Oxygen Sensor Negative Current or Positive Current Control Circuit/Open Bank 2 Sensor 1
P112D is an OBD-II diagnostic trouble code meaning: Oxygen Sensor Negative Current or Positive Current Control Circuit/Open Bank 2 Sensor 1. Common causes: open oxygen sensor control circuit, malfunction of the oxygen sensor itself. Estimated repair cost: $28–89.
Symptoms
- Increased fuel consumption
- Unstable engine operation at idle
- Check Engine Light Illuminates
- Deterioration of vehicle dynamics
- Increased level of harmful emissions
Causes
- Open oxygen sensor control circuit
- Malfunction of the oxygen sensor itself
- Damaged wiring or corroded contacts
- Problems with the sensor connector
- Engine control unit malfunction
How to Fix
- Check the integrity of wiring and contacts
- Check the resistance of the oxygen sensor
- Inspect the sensor connector for damage
- If necessary, replace the oxygen sensor
- Check the operation of the engine control unit
Related codes
FAQ
What does the P112D code mean?
P112D is an OBD-II diagnostic trouble code that indicates: Oxygen Sensor Negative Current or Positive Current Control Circuit/Open Bank 2 Sensor 1
What causes a P112D error code?
The most common causes of P112D include: Open oxygen sensor control circuit; Malfunction of the oxygen sensor itself; Damaged wiring or corroded contacts; Problems with the sensor connector.
How do I fix a P112D diagnostic trouble code?
To fix P112D: Check the integrity of wiring and contacts. Check the resistance of the oxygen sensor. Inspect the sensor connector for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P112D?
Yes, but get it checked soon
How much does it cost to fix P112D?
The estimated repair cost for P112D is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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