P2252
O2 Sensor Negative Current Control Circuit Low Bank 1 Sensor 1
P2252 is an OBD-II diagnostic trouble code meaning: O2 Sensor Negative Current Control Circuit Low Bank 1 Sensor 1. Common causes: open or short circuit in the oxygen sensor circuit, malfunction of the oxygen sensor (lambda probe). Estimated repair cost: $17–89.
Symptoms
- Increased fuel consumption
- Unstable engine idling
- Loss of engine power
- Check Engine light comes on
- Dips during acceleration
Causes
- Open or short circuit in the oxygen sensor circuit
- Malfunction of the oxygen sensor (lambda probe)
- Poor contact in the sensor connector
- Wiring harness damage
- Engine ECU malfunction
How to Fix
- Check the integrity of the sensor wiring and connectors
- Measure the resistance and voltage at the oxygen sensor
- Check sensor circuit grounding
- Replace the faulty oxygen sensor if necessary
- Check and reflash the ECU if it is suspected of being faulty
Related codes
Error P2252 by Vehicle Brand
FAQ
What does the P2252 code mean?
P2252 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Negative Current Control Circuit Low Bank 1 Sensor 1
What causes a P2252 error code?
The most common causes of P2252 include: Open or short circuit in the oxygen sensor circuit; Malfunction of the oxygen sensor (lambda probe); Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P2252 diagnostic trouble code?
To fix P2252: Check the integrity of the sensor wiring and connectors. Measure the resistance and voltage at the oxygen sensor. Check sensor circuit grounding. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2252?
Yes, but get it checked soon
How much does it cost to fix P2252?
The estimated repair cost for P2252 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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