What does P0861 Mean? The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate. When you see P0861 engine fault code on your engine code reader this description will help you. engine code P0861P0861 fixobd P0861dtc P0861obd code P0861obd2 P0861P0861 car codediagnostic code P0861car code P0861check engine code P0861fehlercode P0861P0861 fiatcodigo P0861codigo falla P0861P0861 kody b??dówcodigo de falla P0861 What are the common causes of P0861 ? By far the most common cause of this code is from a defective (or misadjusted) manual lever position sensor. Other causes may include open, shorted, corroded, or otherwise damaged wiring and/or electrical connectors. Technicians also report the presence of excessive corrosion in the sensor connector as the cause of this code being stored. How do you troubleshoot P0861 ? It should be pretty close to battery voltage (12 volts). If not, then this is the circuit that has the problem. Look for missing ground strap or a rusty ground where the fuel tank is grounded to the frame. Check for damage to the wiring harness connector. Searches related to P0861 Code - Gear Shift Control Module 'A' Communication Circuit Low P0861 P0862
