Cummins

197

UnclassifiedCooling

What This Code Means

Coolant level sensor signal is showing a low coolant level for greater than 10 seconds; Engine failed to start after the expiration of crank time; Engine oil pressure is below the low oil pressure shutdown threshold; Low Coolant Level warning message; Low Coolant Level shutdown message; Engine coolant level has fallen below the trip point; Fail To Start shutdown message; Engine cranks but fails to start; Engine oil pressure has dropped below the shutdown trip point

Possible Causes

  • •Low coolant
  • •Fuel system issues
  • •Manual fuel shutoff (FSO) valve is closed
  • •FSO valve solenoids or circuit are malfunctioning
  • •Incorrect starter disconnect speed
  • •Lubricating oil level is low
  • •Coolant leakage
  • •Low coolant level
  • •Fault with the control system
  • •Fault with the starting system
  • •Empty fuel tank
  • •Fuel leaks
  • •Blocked fuel lines
  • •Dirty fuel filter
  • •Dirty air filter
  • •Blocked air filter
  • •Loose battery cable connections
  • •Discharged battery
  • •Defective battery
  • •Faulty oil filters

Suggested Actions

  1. 1Remove radiator cap and check that coolant is up to the required level
  2. 2Inspect fuel lines and fuel connections for leaks and repair if found
  3. 3Open the manual fuel shutoff (FSO) valve
  4. 4Check the FSO valve solenoids and circuit, and correct or replace as necessary
  5. 5Connect to the control via the InPower service tool and make sure Starter Disconnect Speed is set to 400 RPM
  6. 6Allow the engine to cool down completely before proceeding
  7. 7Look for possible coolant leakage points and repair if necessary
  8. 8Check coolant level and replenish if low
  9. 9Reset the control and restart after locating and correcting the problem
  10. 10Allow the engine to cool down completely before proceeding with checks
  11. 11Check for an empty fuel tank, fuel leaks, or blocked fuel lines and correct as required
  12. 12Check for a dirty fuel filter and replace if necessary
  13. 13Check for a dirty or blocked air filter and replace if necessary
  14. 14Clean and tighten all battery cable connections
  15. 15Recharge or replace battery
  16. 16Reset the control and restart after correcting the problem
  17. 17Check the oil level, lines and filters
  18. 18Replenish oil if the oil level is low

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