Jeep Wrangler 2023 — technical service bulletin
Bulletin 1805223 · NHTSA communication 10236946 · issued Apr 21, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P016F - Closed Loop Fuel Pressure Control At Limit - Pressure Too Low. ? P025C - Fuel Pump Module Control Circuit Low. ? P0300-00 - Multiple Cylinder Misfire. ? P0301-00 - Cylinder 1 Misfire. ? P0302-00 - Cylinder 2 Misfire. ? P0303-00 - Cylinder 3 Misfire. ? P0304-00 - Cylinder 4 Misfire. ? P0305-00 - Cylinder 5 Misfire. ? P0403-00 - EGR Control Ci
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.