LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Jeep
>>
2018
>>
Grand Cherokee Trackhawk
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
6.2L - DTCS P0141 To P0441
>>
DTC Troubleshooting
>>
P027A-Fuel Pump Module "B" Control Circuit/Open
>>
Set Condition
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Set Condition
The Duty Cycle command from the Powertrain Control Module (PCM) to the Fuel Pump Control Module (FPCM) 2 on the FPCM 2 PWM Control circuit is outside the calibrated threshold.