The display shows "LO" LO

This error may be due to the following causes:
· Poor connection between the battery positive and contactor B + line (check for any paper, rubbish, dust etc in the line contactor contacts -> AIR BLOWING THE LINE CONTACTOR CONTACTS)
· Connections "X" or "Y" line contactor loose
· The online contacts do not close properly (crap in contacts)
· Incorrect connection of thin wires (color black) that runs from the positive battery positive B + to B + control panel
· ESD Cable (cable discharge any static) loose. This cable is in the steering column, in the micro ignition key and close the top cover from the top of the address
· Faulty logic card
· Switch DRS (diadnóstico / run / setup) defective
· Cable DC / DC converter loose