How to Fix Stuck Throttle Valve (Open) Issue on Doosan Machine – Error Code P02E4

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Required Tools:

Doosan Data Monitoring System (DMS-5)
Doosan Diagnostic Tool
[06.2023] Doosan DDT SCR+DPF+DCU+ECU Diagnostic Tool

Error Code Details:

Code: P02E4
SPN: 3464
FMI: 44
Issue: Stuck Throttle Valve (Open)

Reason:

The error is typically caused by a malfunction in the control valve block.

Impact:

This issue triggers a torque limit (SVS torque limit 25D) on the machine.

Circuit Description:

5V Power: Pin 234
DC Motor –: Pin 229
GND: Pin 240
Signal: Pin 215
DC Motor +: Pin 205

Component Location:

Refer to the machine’s service manual for the specific location of the components.

Diagnostics Requirements:

The key must be on or the engine must be running to initiate diagnostics.

Error Code Trigger Conditions:

The error code is set when a persistent controller deviation is detected.

Error Code Clearing Conditions:

The repair cannot be completed during the current drive cycle. The error code will remain until the issue is resolved in a subsequent cycle.

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