B2204 on the 2026 Jeep Cherokee
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 9100877 | 2026-08-13. Service bulletin. Trailer Tow Wiring Harness If after installing Trailer Tow Kit the DTCM will not PROXI / B2204-00 ECU CONFIGURATION MISMATCH sets active in the BCM / ODOMETER begins to blink, please open a STAR Case and await instruction. |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.