LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2021 >> Grand Cherokee Trackhawk >> Repair and Diagnosis >> Engine Performance >> System >> 6.2L - DTCS P0850 To P2107 >> DTC Troubleshooting >> P120A-Fuel Pump Control Module "B" Internal Performance >> Diagnostic Test

Diagnostic Test

ACTIVE DTC 

  1. Turn the ignition on, engine not running.
  2. With the scan tool, read DTCs.

    Is the DTC active?

    Yes 

    No