MBE 4000 DDEC VI Troubleshooting – Section 45 SPN 599 – Cruise Control Switches Not Functioning Properly
MBE 4000 DDEC VI Troubleshooting – Section 44 SPN 597 (CPC) – Service Brake Switch Signal Erratic or Missing
MBE 4000 DDEC VI Troubleshooting – Section 43 SPN 596 (CPC) – Cruise Control Enable Switch Signal Erratic or Missing