COVER AS-VALVE 1665276 - Caterpillar

Table 1
Diagnostic Trouble Codes for Engine Shutdown Occurrence
J1939 Code CDL Code Code Description
(code descriptions may vary) Comments
N/A E265 (1) User Defined Shut down The inputs from the user-defined shutdown switch to the Electronic Control Module (ECM) have changed states. The engine will shut down. The code is logged.
5272-31 E268 (1) Unexpected Engine Shutdown The engine was stopped before cooling of the exhaust system could complete. Delayed Engine Shutdown (DES) was not allowed to complete.
6588-31 E1466(1) Operator Shutdown With High Exhaust Temperature The Engine was stopped before cooling of the exhaust system could complete. Allow Delayed Engine Shutdown to complete. Probable Causes for a 6588-31 or E1466 Code
An operator turning the keyswitch to the fourth position or forcing a shutdown prior to DES completing
DES may not be enabled
Fuel ran out prior to DES completion
Mechanical failure causing the engine to stop prior to DES completionProbable Causes for a E265 Code
Activated shutdown switch
Circuit for the shutdown switchProbable Causes for a E268 Code
Operator caused the engine to stall
Fuel supply
Mechanical Failure
Table 2
Associated Diagnostic Trouble Codes
J1939 Code CDL Code
4215-31 E678 (1)
592-31 E1217 (3) Complete the procedure in the order in which the steps are listed.
Table 3
Troubleshooting Test Steps Values Results
1. Determine the Code
A. Establish communication between the electronic service tool and the ECM. Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Download the "Warranty Report" from the engine ECM before performing any troubleshooting or clearing diagnostic trouble codes.
C. Determine the event code.
Active codes
Result: An associated code is active.
Repair: Refer to Troubleshooting, "Event Codes" in order to troubleshoot the associated diagnostic code.
Note: Troubleshoot the associated code before continuing with this procedure.
Result: An E265 (1) code is active or logged.
Proceed to Test Step 6.
Result: A 5272-31 or E268 (1) code is active or logged.
Proceed to Test Step 3.
Result: A 6588-31 or E1466 (1) code is active or logged.
Proceed to Test Step 2.
2. Delayed Engine Shutdown
Note: This Test Step is only applicable to applications that do not have a DEF injector cooling tank. Applications that have a DEF injector cooling tank should have Delayed Engine Shutdown disabled. For these applications, proceed to Test Step 3.
A. Check if "Delayed Engine Shutdown" is enabled.
B. Connect to the electronic service tool and then navigate to the "Configuration" tab in the engine ECM. Select the "Delayed Engine Shutdown" tab and check the status of the parameter.
Delayed engine shutdown
Result: "Delayed Engine Shutdown" is enabled.
Proceed to Test Step 3.
Result: "Delayed Engine Shutdown" is not enabled.
Repair: Enable "Delayed Engine Shutdown".
Verify that enabling "Delayed Engine Shutdown" eliminated the fault.
3. Correct Engine Operation
A. Interview the operator and determine the events that caused the engine to stall.
Note: Delayed engine shutdown (DES) may not have completed.
Operator
Result: The operator is operating the engine correctly.
Proceed to Test Step 4.
Result: The operator is not operating the engine correctly.
Repair: Make sure that the operator understands correct engine operation.
4. Fuel
A. Check the engine fuel supply.
Fuel
Result: The engine is out of fuel.
Repair: Fill the fuel tank with fuel of the correct specification.
Verify that the repair eliminated the fault.
Result: The engine is not out of