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Grand Cherokee Trackhawk
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6.2L - DTCS P2628 To U1504
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DTC Troubleshooting
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U016C-Lost Communication With Fuel Pump Control Module B
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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 Powertrain Control Module (PCM) does not receive a Pulse Width Modulated (PWM) signal from the Fuel Pump Control Module (FPCM) 2.