RETAINER 7T1152 - Caterpillar

This procedure covers the following diagnostic trouble codes:Note: Refer to Troubleshooting, "Cat ET Service Features" for information about service features.
Table 1
Diagnostic Trouble Codes    
J1939 Code    CDL Code    Code Description    Comments    
3480-17     E1052 (1)     Low Aftertreatment #1 Fuel Pressure #1 - Least Severe     There are Enhanced Troubleshooting Indicators for this code.    
3480-18     E1052 (2)     Low Aftertreatment #1 Fuel Pressure #1 - Moderate Severity     There are not Enhanced Troubleshooting Indicators for this code.    
4077-17     E1053 (1)     Low Aftertreatment #1 Fuel Pressure #2 - Least Severe     There are Enhanced Troubleshooting Indicators for this code.    
4077-18     E1053 (2)     Low Aftertreatment #1 Fuel Pressure #2 - Moderate Severity     There are not Enhanced Troubleshooting Indicators for this code.    
Table 2
Required Parts for Use with a 11/16 Fitting    
8T-0855 Pressure Gauge    
8T-8902 Tee    
228-7089 O-Ring Seal (Tee)    
6V-4144 Quick Connect Coupler    
6V-3965 Fitting    
3J-1907 O-Ring Seal    
Required Parts for Use with a 9/16 Fitting    
7X-2444 Swivel Tee    
214-7568 O-Ring Seal (Tee)    
6V-3965 Fitting    
3J-1907 O-Ring Seal    
8T-0855 Pressure Gauge    
6V-4144 Quick Connect Coupler    
Optional Parts    
177-7860 Hose As    
177-7861 Hose As    
177-7862 Hose As    
126-6872 9/16 Tee    
8C-3309 11/16 Tee    
Table 3
Associated Diagnostic Trouble Codes    
5580-18 or E198    
3427-5 or 5423-5    
3427-6 or 5423-6    Complete the procedure in the order in which the steps are listed.
Table 4
Troubleshooting Test Steps    Values    Results    
1. Check for Associated Diagnostic Trouble Codes
A. Establish communication between Caterpillar Electronic Technician (ET) and the Electronic Control Module (ECM) . Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Check for associated diagnostic trouble codes.
   
Associated Diagnostic Trouble Codes
   
Result: A 5580-18 or E198 code is not active. Proceed to Test Step 2.
Result: A 5580-18 or E198 code is active.
Refer to Troubleshooting, "Fuel Pressure Is Low" for the proper troubleshooting procedure. STOP.
Result: A 3427-5, 3427-6, 5423-5 or 5423-6 code is active.
Refer to Troubleshooting, "Solenoid Valve - Test" for the proper troubleshooting procedure.
   
2. Record the Enhanced Troubleshooting Indicator (ETI) Code
A. Establish communication between Caterpillar Electronic Technician (ET) and the Electronic Control Module (ECM) . Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. The ETI code is located in the "Active Events" or "Logged Events" screen in Cat ET. Record the Enhanced Troubleshooting Indicator (ETI) code.
ETI codes are not available for (2) or -18 codes.
   
ETI Code    
Result: Record the ETI code if present.
Proceed to Test Step 3.
   
Illustration 1 g03179076
Illustration 2 g03179096
Table 5
Troubleshooting Test Steps    Values    Results    
3. Check for External Leaks
A. Check for external leaks. Inspect the fuel lines from the pump to the fuel manifold. Check for pinched lines or leaking lines.
   
External Leaks
   
Result: A leak or pinched line was not found.
Proceed to Test Step 4.
Result: A leak or pinched line