VOE1439024 1439024 ECU Controller Control Unit for EW140B EW160B Excavator Spare Parts

Name: VOE1439024 1439024 ECU Controller Control Unit for EW140B EW160B Excavator Spare Parts
Brand: GUANGZHOU JIAJUE TRADING CO.,LTD

Price Negotiable

Price: 900usd/pc

MOQ: 1pc

Delivery Time: 1-5 Works day

Brand: Jiajue

Product Description

ECU Controller Control Unit for EW140B EW160B Excavator

Part Number: VOE1439024 / 1439024

Product Specifications

Product Name	Controller ECU
Part Number	1439024
Brand Name	JIAJUE
Compatible Models	EW140B EW160B
Condition	NEW
Availability	Rich Stock
Approximate Weight	2KG
Dimensions	25cm x 20cm x 15cm
Delivery Time	Usually delivered within 1-3 days after payment

Product Images

Frequently Asked Questions

Installation Time

Physical Installation: 15-30 minutes. The unit is typically secured by 4 bolts on the cool side of the engine.
Programming & Testing: 30-60 minutes.

Pro Tip: If the ECM is pre-programmed by us based on your machine's serial number, it is essentially "Plug & Play." If not, you will need a Cat ET (Electronic Technician) tool to flash the software, which takes additional time. We recommend professional installation to ensure correct parameter synchronization.

ECM Fault Diagnosis

The ET diagnostic tool cannot communicate with the ECM, or it displays a "Module Not Responding" error.
Active fault codes related to internal memory (EEPROM) or voltage reference issues that persist after checking the wiring harness.
Sudden engine stalling, severe power loss (Limp Mode), or persistent misfiring after sensors and harnesses have been ruled out.
Visible signs of overheating, water ingress, corrosion, or broken pins on the connector headers.

Payment Methods

T/T, L/C, PayPal, etc.

Stock Availability

Rich stock available.

Order Tracking

When the goods ship, we will share the tracking number. For sea or air freight, we can provide the bill of lading.

Step-by-Step Testing Guide

Important: HEUI (Hydraulic Electronic Unit Injection) systems are extremely sensitive to contamination. A single speck of dust can cause premature failure.

Prepare: Ensure the excavator is turned off and safely secured. Disconnect the battery to avoid electrical accidents.
Inspect: Check the ECU for physical damage or loose connections.
Connect Diagnostic Tool: Use a diagnostic tool recommended by the excavator's manufacturer.
Read Codes: Use the diagnostic tool to read any error codes (DTCs) stored in the ECU.
Check Live Data: View live data parameters such as sensor readings and system voltages.
Functional Tests: Perform tests to activate components or simulate sensor inputs.
Reset: Reset the ECU if recommended by the manufacturer after repairs or replacements.
Document: Keep a record of all tests, codes, and results for future reference.

Quick Checklist for Buyers

Before replacing the ECM, always check the fuses, main relays, and ground connections. In many cases, a faulty ground wire or low battery voltage mimics an ECM failure.