How to Fix Deutz EMR3 Fault Code 94 / SPN 523239: CAN Error DEC-V1 August 3, 2026 Obdii.shop 0 Deutz EMR3 fault code 94 / SPN 523239 / FrmMngDecV1 means the engine ECU is not receiving a valid DEC-V1 CAN message, also described as […]