EDGE-CUTTING 4T6232 - Caterpillar

Use this procedure in order to troubleshoot an engine overcrank occurrence. Also use this procedure if one of the following diagnostic trouble codes is active. Access the engine monitoring system on Caterpillar Electronic Technician (ET) in order to view the current trip points for these codes. Refer to Troubleshooting, "Engine Monitoring Parameters" for information about engine events.
Table 1
Engine Event
J1939 Code and Description Conditions which Generate the Code System Response
1664-31 Engine Automatic Start Failed The engine did not start within the programmed parameters for automatic engine starting. The code is logged. Download the "Product Status Report" from the Electronic Control Module (ECM) before performing any troubleshooting or clearing diagnostic trouble codes. Use Cat ET to check for the associated code that is listed in Table 2. Troubleshoot any active codes before continuing with this procedure.
Table 2
Associated Code
J1939 Code Description
5580-17 Engine Filtered Fuel Delivery Pressure (After Secondary Filter Gauge): Low - least severity (1)
5580-18 Engine Filtered Fuel Delivery Pressure (After Secondary Filter Gauge): Low - moderate severity (2) Probable Causes
Note: If the engine will not start and Cat ET will not communicate, the problem is most likely with the electrical power supply to the ECM. Refer to Troubleshooting, "Electrical Power Supply - Test".Fuel Supply System
Low fuel levelAir Shutoff System
Air shutoff mechanismEngine Shutdown Switches (if applicable)
Engine shutdown switchesStarting Aids (if applicable)
Starting aidsRestrictions in the Air Inlet or Exhaust System
Restriction in the air inlet or exhaust systemTheft Deterrent System (if applicable)
Active theft deterrent systemSensors
Coolant temperature sensor
Barometric pressure sensor Engine Speed/Timing
Engine speed/timing sensorFuel System
Low-pressure fuel system Recommended Actions
Note: The procedures have been listed in order of