Engine Engine Control Module (ecu/ecm) Problems of Jeep Cherokee

The contact owns a 2020 Jeep Cherokee. The contact stated that the parking brake engaged independently while idling at a stoplight. The contact activated the hazard lights, shifted to park, turned off and restarted the vehicle, then reversed to unlock the parking brake to shift to drive to continue driving. The message "parking brake engaged" was displayed with an audible chime, and the light indicating that the parking brake was activated was illuminated. The failure occurred intermittently. The vehicle was diagnosed by a certified mechanic, and determined that the engine control module (ecm) needed to be replaced. The ecm was replaced; however, the ecm could not be aligned with the vehicle and referred the contact to the dealer for assistance. The vehicle was towed to the dealer, and another ecm was ordered; however, the ecm could not be aligned or programmed. The dealer diagnosed that the shifting console needed to be replaced. The vehicle was repaired. Approximately one month after having the vehicle repaired, the failure reoccurred. The vehicle was returned to the dealer; however, the vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 87,000. The VIN was unavailable.

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