Dodge Repair Questions? Ask a Mechanic for Answers ASAP
there is NO fuse on this truck for the O2 heater elements you need a decent digital volt/ohm meter to properly test the circuit and some "T" type sewing needles for testing so you don" damage any small terminals, do you have these ?
can you follow a diagnostic procedure if i send a link to the one for this code ? YOU MUST BE ABLE TO FOLLOW IT PROPERLY OR YOU WILL GET POOR RESULTS
YES easily BUT also caused by an inferior O2 sensor and faulty wiring we have huge problems with Bosch O2 sensors, they usually throw the same code or different ones, if for some reason they do work they usually fail very shortly after installation, NGK or Nippon denso make our sensors and they WORK every time
here is a link to the diag procedure skip to the part where it has you measure the resistance of the circuit since you likely DO NOT have a dealer or pro level scan tool to actuate the o2 sensor heater if the resistance is in the specified range the pcm is likely the culprit, i have replaced a few pcm's for this code and the root cause is USUALLY a shorted O2 sensor
the link is in microsoft WORD format and can be downloaded and printed for you to follow it os only up a few days so please look it over and save it asap if you have questions about the procedure ASK i am here to assist
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