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Quality 240-5302 2405302 Controller ECU for C7 C9 Engine factory
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Quality 240-5302 2405302 Controller ECU for C7 C9 Engine factory
Quality 240-5302 2405302 Controller ECU for C7 C9 Engine factory
Quality 240-5302 2405302 Controller ECU for C7 C9 Engine factory
Quality 240-5302 2405302 Controller ECU for C7 C9 Engine factory
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240-5302 2405302 Controller ECU for C7 C9 Engine

Brand Name: Jiajue
Model Number: C7/C9
Place of Origin: CHINA
Minimum Order Quantity: 1pc
Price: $800/pc
Supply Ability: 100PCS/MONTH

Product Details


Product Name: Controller ECU Material: Steel
Place Of Origin: Guangdong,China MOQ: 1
OEM: Support
Highlight

C7 C9 Engine ECU Controller

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240-5302 Engine Control Unit

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2405302 ECU for C7 C9

Product Description

240-5302 Controller ECU for C7 C9 Engine
High-quality replacement Controller ECU compatible with C7 and C9 engines, designed for reliable performance and durability.
Product Specifications
Product Name Controller ECU
Part Number 240-5302
Brand Name JIAJUE
Model C7/C9
Condition Used
Availability Rich Stock
Approximate Weight 3KG
Size (per unit) 35cm x 30cm x 20cm
Delivery Time Usually delivered within 1-3 days after payment
Product Images
240-5302 Controller ECU front view showing component layout and connectors
240-5302 Controller ECU side view displaying housing and mounting points
240-5302 Controller ECU connector details and pin configuration
240-5302 Controller ECU internal components and circuit board
Frequently Asked Questions
Installation Time for ECM on Machine
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 an ET (Electronic Technician) tool to flash the software, which takes additional time. We recommend professional installation to ensure correct parameter synchronization.
Determining ECM Fault and Replacement Need
  • The ET diagnostic tool cannot communicate with the ECM, or it displays a "Module Not Responding" error. This is a critical sign of internal hardware failure.
  • Active fault codes related to internal memory (EEPROM) or voltage reference issues that persist after checking the wiring harness often indicate ECM failure.
  • Sudden engine stalling, severe power loss (Limp Mode), or persistent misfiring (missing injector driver signals) after sensors and harnesses have been ruled out.
  • Visible signs of overheating (burning smell), water ingress, corrosion, or broken pins on the connector headers.
Step-by-Step Testing Guide
Pro-Tip: HEUI (Hydraulic Electronic Unit Injection) systems are extremely sensitive to contamination. A single speck of dust can cause premature failure.
  1. Prepare: Ensure the excavator is turned off and safely secured. Disconnect the battery to avoid electrical accidents.
  2. Inspect: Check the ECU for physical damage or loose connections.
  3. Connect Diagnostic Tool: Use a diagnostic tool recommended by the excavator's manufacturer. Connect it to the ECU according to the tool's instructions.
  4. Read Codes: Use the diagnostic tool to read any error codes (DTCs) stored in the ECU. These codes indicate potential problems with the ECU or connected systems.
  5. Check Live Data: View live data parameters such as sensor readings and system voltages. Ensure they are within normal ranges.
  6. Functional Tests: If possible, perform tests to activate components or simulate sensor inputs. Verify that the ECU responds correctly without delays or errors.
  7. Reset (if needed): Reset the ECU if recommended by the manufacturer, especially after repairs or replacements.
  8. 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.
Payment & Shipping Information
Payment Methods: T/T, L/C, PayPal, etc.
Stock Availability: Rich stock available.
Order Shipping: When the goods ship, we will share the tracking number. For sea or air freight, we can provide the bill of lading.
Company & Exhibition
JIAJUE manufacturing facilities and company profile showing production environment
Product exhibition display showing various engine components and accessories
Product exhibition display with organized component layout and labeling
Packaging & Shipping
Professional product packaging with protective materials and secure boxing
Shipping and logistics process with warehouse operations and inventory management
Related Products
Related excavator accessory product compatible with similar engine models

Product Highlights

240-5302 Controller ECU for C7 C9 Engine High-quality replacement Controller ECU compatible with C7 and C9 engines, designed for reliable performance and durability. Product Specifications Product Name Controller ECU Part Number 240-5302 Brand Name JIAJUE Model C7/C9 Condition Used Availability Rich ...

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