80 RENR5042-02 Troubleshooting Section There may be a problem with the coolant level sensor. System Response: The event code will be logged. Check the Coolant Level Possible Performance Effect: E057 (Warning) Pressurized System: Hot coolant can cause seri- ous burns. To open the cooling system filler cap, stop the engine and wait until the cooling system components are cool. Loosen the cooling system pressure cap slowly in order to relieve the pres- sure. None Troubleshooting: The coolant level is most likely low. A. Stop the engine. There may be a problem with the coolant level sensor. B. After allowing the engine to cool, check the coolant level.
Refer to the Operation and Maintenance Manual for the proper procedure. Check the Coolant Level Expected Result: Pressurized System: Hot coolant can cause seri- ous burns. To open the cooling system filler cap, stop the engine and wait until the cooling system components are cool. Loosen the cooling system pressure cap slowly in order to relieve the pres- sure. The coolant level is low. Results: OK – The coolant level is low. Repair: Check the cooling system for leaks. Repair any problems that are found. Refill the cooling system to the proper level. A. Stop the engine. B. After allowing the engine to cool, check the coolant level.
Refer to the Operation and Maintenance Manual for the proper procedure. STOP. Not OK – The coolant level is not low. Expected Result: Repair: There may be a problem with the coolant level sensor. Refer to the diagnostic functional test Troubleshooting, “Coolant Level Sensor Circuit - Test” in order to verify that the coolant level sensor is operating correctly. The coolant level is low. Results: OK The coolant level is low. Ensure that any repairs eliminate the problem. Repair: Check the cooling system for leaks. Repair any problems that are found. Refill the cooling system to the proper level. STOP. i02274243 E059 Low Engine Coolant Level Warning STOP. Not OK – The coolant level is not low.
Repair: There may be a problem with the coolant level sensor. Refer to the diagnostic functional test Troubleshooting, “Coolant Level Sensor Circuit - Test” in order to verify that the coolant level sensor is operating correctly. SMCS Code: 1395-038-LO Conditions Which Generate This Code: The Electronic Control Module (ECM) detects a problem with the engine’s cooling system. Information on default settings and ranges for this event code can be found in Troubleshooting, “Event Codes”. Ensure that any repairs eliminate the problem. STOP.