Fault Code U0286
Code meaning, symptoms, possible causes, part number, and estimated cost.
U0286
Lost Communication with Exhaust Sensor Module
This code indicates a loss of communication between the main control unit and the Exhaust Sensor Module. This fault will affect emission monitoring and fuel efficiency, and may even prevent the vehicle from passing an emissions test.
Part Details
Part Name
Exhaust Sensor Module
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪500 - ₪1500
Engine Location
Near exhaust system
Symptoms
- Check Engine Light on
- Decreased fuel efficiency
- Poor engine performance
- Strong exhaust odor
Possible Causes
- 1Internal failure of the Exhaust Sensor Module
- 2Faulty wiring or short circuit in the communication system (CAN)
- 3Loose or corroded connector
- 4Failure of one or more exhaust sensors
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