Fault Code P2206
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2206
NOx Sensor Heater Control Circuit Low Bank 1
This code indicates a lower-than-expected signal in the heater control circuit of the NOx sensor in Bank 1. This can prevent the sensor from reaching its required operating temperature.
Part Details
Part Name
NOx Sensor, Wiring
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪800 - ₪3000
Engine Location
Exhaust system
Symptoms
- Check Engine Light on
- Emissions test failure
- Increased fuel consumption
- Poor engine performance
Possible Causes
- 1Short to ground in heater circuit
- 2Faulty NOx sensor (heater element)
- 3Wiring or connector issues
- 4Faulty ECM/PCM (rare)
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