hi, have a 2003 jeep grand cherokee and the computer is throwing code P0601-PCM Internal Controller Failure (possible powertrain control module). However, my mechanic finds no problem beside the jeep - it runs fine but the check engine light keeps coming on and throwing the code. is he missing something or is this preparing me for eventual washout? the jeep only has 80k miles
Answers: own all grounds checked for voltage drop. bad ground will show as controller bomb due to over the 7 volt limit on open circuit
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Answers: own all grounds checked for voltage drop. bad ground will show as controller bomb due to over the 7 volt limit on open circuit
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