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have a 2004 explorer with 4.0 v6 with the following codes appearing p0600 and p0121 while I know that p0600 code is a serial comunication code what causes it also the p0121 is a tps code I have replaced the throttle body which comes with a new tps can any one help???
also the abs light comes on and the 4x4 light flashes tnx in advance for any help
You replaced the TPS...did you perform a "wiggle test" where you wiggle the wires and connections to the TPS in search of a lad connection or possible short?
I can't find code p0600 listed...the chart we have here in the site skips from p0553 to p0602:
yes I have tried the wiggle test i even tried pulling on the wires to see if one was broken inside the insulation i have ran across that before .
i ran a search on the p0600 code and found the same thing my software tells me that it is a serial communication link problem i just dont understand what they are talking about and what to do to cure it I have another new tps that I'm going to try it only takes a short time to change out to see if the 0121 code goes away again tnx for any help in advance , ken
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