SHAFT GP-DRIVE 2609634 - Caterpillar

Table 1
J1939 Code and Description CDL Code and Description Comments
3487-13
Aftertreatment #1 Air Pressure Control : Out of Calibration 2489-13
ARD Air Pressure Control Actuator : Out of Calibration The automated ARD Air Valve Calibration sweep has exceeded the calibration limits and a failed regeneration has occurred.
The code is logged.
Table 2
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Establish communication between Cat® Electronic Technician (ET) and the A6:E2 Electronic Control Module (ECM).
B. Look for active or logged codes.
Codes
Result: There are no active or logged codes.
Return the unit to service.
Result: A 3487-13 or 2489-13 code is still active or logged.
Proceed to Test Step 2.
2. Replace the ARD Air Valve
A. Replace the ARD air valve. Refer to Disassembly and Assembly, Air Control Valve - Remove and Install.
B. Clear all codes using Cat ET.
C. Perform an "ARD Ignition Test" using Cat ET.
The ARD Ignition Test cannot be performed if the DPF soot loading is above 80%. When the DPF soot loading is above 80%, the Manual DPF Regeneration must be performed using Cat ET.
ARD Air Valve
Result: The "ARD Ignition Test" passed.
Return the unit to service.
Result: The "ARD Ignition Test" failed.
Repair: Troubleshoot the active codes.
If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).