Possible causes – Faulty Barometric (BARO) Read Only Solenoid– Barometric (BARO) Read Only Solenoid harness is open or shorted– Barometric (BARO) Read Only Solenoid poor electrical circuit connector When is the obd code mean? The Engine Control Module (ECM) has detected an open or short in the BARO Read Only solenoid. Symptoms – Engine Light…