Uncategorized Error code U0155 June 2, 2016 dstech Getting code u0155 on my 2015 renegade, Heated Oxy Sensor Heater Circ (bank2, Sensor. Where should I start looking for problems? First time Ive had this code. Thanks! Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related