Replaced O2 Sensor Driver side, didn't fix it. Went to swap Passenger side with "working" driver side and totally different connector. mad mad mad

Anyone know if this is the source of the DTC or am i barking up the wrong tree?

D

 

if its a P code then:








P0135

O2S Heater Performance Bank 1 Sensor 1

if its a U code then:








U0135

Lost Communication With Differential Control Module Front

 

well my Whipple programmer wil only show 0135 so i'm not sure.

When i removed the Drivers sensor and replaced it, it was sooty passenger side was perfect.

I'm thinking there is a wiring issue not a sensor issue.

I can clear the code but it will come back after a couple of days.

D

 

did they modify the wiring when they installed the whipple? if so you are likely correct and its a wiring issue....