What does it mean?
OBD II fault code P0560 is defined as “System Voltage Malfunction” and is set when the PCM (Powertrain Control Module) detects an abnormal voltage value from the battery, charging, or starting system(s). When the ignition is turned to the “ON” position, the PCM performs a check of the charging, starting, and battery system, and when the engine is running, the PCM expects to find a system voltage of between 13.8-, and 14.4 volts in a fully functional system. A reading that is lower or higher than this range will trigger the CHECK ENGINE, or SERVICE ENGINE soon warning light, and code P0560 will be set and stored. The image below shows corrosion on battery terminals, which is a common cause of code P0560.