DEF Control Module Temperature Is High
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| J1939 Code and Description | CDL Code and Description | Comments |
|---|---|---|
| 5480-16
Aftertreatment #1 DEF Controller Temperature : High - moderate severity (2) |
E14130(2)
High Aftertreatment #1 DEF Controller #1 Temperature |
The temperature of the Dosing Control Unit (DCU) has exceeded the trip point of 116° C (240° F). |
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| Illustration 1 | g06194551 |
|
DCU | |
Complete the procedure in the order in which the steps are listed.
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| Troubleshooting Test Steps | Values | Results |
|---|---|---|
1. Determine the Source of the High Temperature A. Evaluate the installation location of the DCU. B. Check for heat sources close to the DCU. |
Heat Source |
Result: The DCU is located close to a heat source. Repair: Eliminate the heat source by installing a heat shield or moving the component creating the heat. Proceed to Test Step 2. |
2. Replace the DCU A. Replace the DCU. |
DCU |
Result: The DCU was replaced. Verify that the problem is resolved. |
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).
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