What Does P0319 Mean? OBD-II Code Powertrain Control Module (PCM) failure is defined as a Rough Road Sensor "B" Signal Circuit Rough Road Hardware allows the engine control module (PCM) to determine if there is a problem with the engine or if the vehicle is being driven on a rough road. If the PCM can not decide between the two, the PCM will set code P0319. engine code P0319P0319 fixobd P0319dtc P0319obd code P0319obd2 P0319P0319 car codediagnostic code P0319car code P0319check engine code P0319fehlercode P0319P0319 fiatcodigo P0319codigo falla P0319P0319 kody b??dówcodigo de falla P0319 What are the common causes of P0319 ? Common causes include missing, disconnected, or defective rough road sensors and/or other rough road detection hardware. How do you troubleshoot P0319 ? More than likely, the rough road sensor on the vehicle will have to be replaced. The ABS and traction control system may need to be repaired. In the worst case scenario, the engine will actually need repairs too. Searches related to P0319 Code - Rough Road Sensor 'B' Signal Circuit p0318 p0320