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Quality 10R-4090 Controller ECU 10R4090 for C-12 Engine factory
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Quality 10R-4090 Controller ECU 10R4090 for C-12 Engine factory
Quality 10R-4090 Controller ECU 10R4090 for C-12 Engine factory
Quality 10R-4090 Controller ECU 10R4090 for C-12 Engine factory
Quality 10R-4090 Controller ECU 10R4090 for C-12 Engine factory
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10R-4090 Controller ECU 10R4090 for C-12 Engine

Brand Name: Jiajue
Model Number: C-12
Place of Origin: CHINA
Minimum Order Quantity: 1pc
Price: $800/pc
Supply Ability: 100PCS/MONTH

Product Details


Product Name: 10R-4090 Controller ECU 10R4090 For C-12 Engine Material: Steel
Place Of Origin: Guangdong,China MOQ: 1
OEM: Support
Highlight

10R-4090 ECU Controller for C-12 Engine

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C-12 Engine ECU Controller 10R4090

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10R4090 Engine Control Unit with warranty

Product Description

10R-4090 Controller ECU for C-12 Engine
High-quality replacement controller ECU part number 10R-4090 designed specifically for C-12 engines.
Product Specifications
Product Name Controller
Part Number 10R-4090
Brand Name JIAJUE
Model C-12
Condition Used
Availability Rich Stock
Approximate Weight 4KG
Size (per unit) 40cm x 35cm x 15cm
Delivery Time Usually delivered within 1-3 days after payment
Product Images
10R-4090 Controller ECU front view 10R-4090 Controller ECU side view 10R-4090 Controller ECU connector details 10R-4090 Controller ECU label and identification
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 a Cat 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 Product exhibition display 1 Product exhibition display 2
Packaging & Shipping
Professional product packaging Shipping and logistics process
Related Products
Related excavator accessory product

Product Highlights

10R-4090 Controller ECU for C-12 Engine High-quality replacement controller ECU part number 10R-4090 designed specifically for C-12 engines. Product Specifications Product Name Controller Part Number 10R-4090 Brand Name JIAJUE Model C-12 Condition Used Availability Rich Stock Approximate Weight 4KG ...

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