P2206
NOx Sensor Heater Control Circuit Low Bank 1 Sensor 1
P2206 is an OBD-II diagnostic trouble code meaning: NOx Sensor Heater Control Circuit Low Bank 1 Sensor 1. Common causes: open or short circuit in the heater circuit, nox sensor heating element malfunction. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Increased fuel consumption
- Reduced engine power
- Increased emissions of harmful substances
- Incorrect operation of the EGR system
Causes
- Open or short circuit in the heater circuit
- NOx sensor heating element malfunction
- Problems with the relay or circuit fuse
- Engine control unit malfunction
- Poor contact in wiring connectors
How to Fix
- Check the continuity of the NOx sensor heater circuit
- Check the resistance of the heating element
- Inspect connectors and wiring harness for damage
- Check circuit fuses and relays
- If necessary, replace the NOx sensor
Related codes
Error P2206 by Vehicle Brand
FAQ
What does the P2206 code mean?
P2206 is an OBD-II diagnostic trouble code that indicates: NOx Sensor Heater Control Circuit Low Bank 1 Sensor 1
What causes a P2206 error code?
The most common causes of P2206 include: Open or short circuit in the heater circuit; NOx sensor heating element malfunction; Problems with the relay or circuit fuse; Engine control unit malfunction.
How do I fix a P2206 diagnostic trouble code?
To fix P2206: Check the continuity of the NOx sensor heater circuit. Check the resistance of the heating element. Inspect connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2206?
Yes, but get it checked soon
How much does it cost to fix P2206?
The estimated repair cost for P2206 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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