Thermo King Alarm 617: Internal ECU Fault
Alarm 617 is listed as 'Internal ECU Fault' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Error Codes
Browse published fault-code records by brand, product and displayed code.
Each record starts with the source meaning, then separates applicability, owner-safe actions, operating uncertainty and qualified-service boundaries. A matching code string alone is not enough: confirm the brand, product, model and controller before acting.
Thermo King Alarm 618: Check EGR System
Alarm 618 is listed as 'Check EGR System' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 619: ECU Main Relay Fault
Alarm 619 is listed as 'ECU Main Relay Fault' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 620: No RPM Detected During Start Attempt
Alarm 620 is listed as 'No RPM Detected During Start Attempt' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 623: TRUCAN Message Timeout
Alarm 623 is listed as 'TRUCAN Message Timeout' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 624: Check EGR Temperature Sensor
Alarm 624 is listed as 'Check EGR Temperature Sensor' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 625: Check Intake Air Temperature Sensor
Alarm 625 is listed as 'Check Intake Air Temperature Sensor' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 626: Check Exhaust Temperature Sensor
Alarm 626 is listed as 'Check Exhaust Temperature Sensor' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 642: ECU Forced Low Speed
Alarm 642 is listed as 'ECU Forced Low Speed' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 699: Unknown ECU Fault
Alarm 699 is listed as 'Unknown ECU Fault' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 800: Crankshaft Position Sensor Error
Alarm 800 is listed as 'Crankshaft Position Sensor Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 801: Camshaft Position Sensor Error
Alarm 801 is listed as 'Camshaft Position Sensor Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 804: Engine Coolant Temperature Sensor Error
Alarm 804 is listed as 'Engine Coolant Temperature Sensor Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 807: Fuel Temperature Sensor Error
Alarm 807 is listed as 'Fuel Temperature Sensor Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 808: Rail Pressure Sensor Error
Alarm 808 is listed as 'Rail Pressure Sensor Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 809: Intake Air Pressure Sensor Error
Alarm 809 is listed as 'Intake Air Pressure Sensor Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 810: Atmospheric Pressure Sensor Error
Alarm 810 is listed as 'Atmospheric Pressure Sensor Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 811: Glow Plug Circuit Error
Alarm 811 is listed as 'Glow Plug Circuit Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 813: General Injector Error
Alarm 813 is listed as 'General Injector Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 815: Fuel Pressure Regulator Error
Alarm 815 is listed as 'Fuel Pressure Regulator Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 818: EGR Valve Actuator Error
Alarm 818 is listed as 'EGR Valve Actuator Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 819: ECU Power Relay Error
Alarm 819 is listed as 'ECU Power Relay Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 825: T1 Air Intake Temperature Sensor Error
Alarm 825 is listed as 'T1 Air Intake Temperature Sensor Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 826: T2 Air Intake Temperature Sensor Error
Alarm 826 is listed as 'T2 Air Intake Temperature Sensor Error' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01