Code result
P2236
O2 Sensor Signal Circuit Shorted to Heater Circuit
High severity
What it means
The O2 sensor signal wire on bank 2 sensor 3 has shorted to the heater wire. This pulls the signal away from a measurement of exhaust composition and produces erratic fuel-trim behaviour.
Is it safe to drive?
No — stop driving
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.
Most likely causes
Short between signal and heater wires
highOne of the most commonly reported causes for this code — check this first.
Related help
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