Jeep Wagoneer 2023 — technical service bulletin
Bulletin 1804023 · NHTSA communication 10239947 · issued May 13, 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 the technician may find one or more of the following DTCs have been set: ? **P0300-00 - Multiple Cylinder Misfire. ? P0301-00 - Cylinder 1 Misfire Detected. ? P0302-00 - Cylinder 2 Misfire. ? P0303-00 - Cylinder 3 Misfire ? P0304-00 - Cylinder 4 Misfire. ? P0305-00 - Cylinder 5 Misfire. ? P0306-00 - Cylinder 6 Misfire.** ? P05CC-00 - Cold Start A Camshaft Position Timing Performance Bank 1. Customer may also experience the following: ? Poor or insu
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.