Tag: Caterpillar Electronic Technician


Air Shutdown Relay Current Below Normal (Diagnostic Code: 446-5)

Air Shutoff System Use this procedure to troubleshoot the electrical system if a problem is suspected (active or easily repeated) with the Air Shutoff system. *   (446-5) Air Shutdown Relay current below normal РThe Electronic Control Module (ECM) detects an open circuit and/or a short to the +Battery in