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Grand Cherokee Trackhawk
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6.2L - DTCS P1115 To P2112
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DTC Troubleshooting
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P120B-Fuel Pump Control Module "B" Open Circuit To Fuel Pump
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Set Condition
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Set Condition
The FPCM 2 detects an open circuit or high resistance on Pulse Width Modulated (PWM) Fuel Pump Control circuit to the Fuel Pump assembly.