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Jeep TSB #1807323
2021 Jeep Wrangler
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? **P02EE - Cylinder 1 Injector Circuit Performance. ? P02EF - Cylinder 2 Injector Circuit Performance. ? P02F0 - Cylinder 3 Injector Circuit Performance. ? P02F1 - Cylinder 4 Injector Circuit Performance.** This bulletin involves reprogramming the PCM with the latest available software.
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