Eberspacher Airtronic M3 D4L ECU Control Unit 12v | 252955995000, Car Parts

Car Accessories

Eberspacher Airtronic M3 D4L ECU Control Unit 12v Applicable fault codes that could indicate replacement of the ECU (Electronic Control Unit) on the Eberspacher Airtronic M3 D4L air heater: P000150 Circuit board temperature sensor in the control box defective (voltage too high) P000151 Circuit board temperature sensor in the control box defective (voltage too low) P000152 Circuit board temperature sensor in the control box overtemperature detected P000300 (074) Overheating detection Metering pump hardware or cutout circuit defective P000301 (090) Watchdog reset - Internal error on initialising the control box P000302 (090) Too many watchdog resets P000303 (099) Operating lockout: Too frequent output stage errors P000304 (091) Too many resets (loose contact) P000305 (095) Control box not calibrated P000306 (098) Second cutout circuit is defective P000307 (081) CAN communication error in control unit   Suitable for the following heaters: 252955995000 M3 D4L 12v

More information

More Information

Table of Contents

• Why it Matters
• Features & Benefits
• Key Specifications
• Usage & Maintenance
• Frequently Asked Questions

Why it Matters

The Eberspacher Airtronic M3 D4L ECU Control Unit is a crucial component for maintaining the efficiency and functionality of your air heater system. Understanding its role can help you troubleshoot issues effectively and ensure optimal performance.

Quick Overview

• Designed for Eberspacher Airtronic M3 D4L heaters.
• Operates on a 12v power supply.
• Helps diagnose and resolve various fault codes.

Useful Details

This ECU control unit is responsible for managing the heater's operations, including monitoring temperature sensors and ensuring proper communication within the system. If you encounter specific fault codes, it may indicate the need for a replacement.

Features & Benefits

• Fault Code Diagnostics: Identifies issues such as circuit board temperature sensor defects and overheating detection.
• Enhanced Performance: Ensures your air heater operates efficiently, providing reliable heating.
• Compatibility: Specifically designed for the Eberspacher Airtronic M3 D4L, ensuring a perfect fit and function.
• Durability: Built to withstand the demands of automotive environments.

Key Specifications

• Model: Eberspacher Airtronic M3 D4L
• Voltage: 12v
• Applicable Fault Codes: P000150, P000151, P000152, P000300, P000301, P000302, P000303, P000304, P000305, P000306, P000307
• Part Number: 252955995000

Usage & Maintenance

To ensure the longevity and reliability of your Eberspacher Airtronic M3 D4L ECU Control Unit, follow these practical tips:

Practical Tips

• Regularly check for fault codes using a diagnostic tool.
• Inspect wiring and connections for any signs of wear or damage.
• Keep the control unit clean and free from debris.
• Consult the user manual for specific maintenance guidelines.

Frequently Asked Questions

• What are the common fault codes associated with this ECU?
  Common fault codes include P000150, P000151, P000152, and others related to temperature sensor issues and communication errors.
• How do I know if I need to replace the ECU?
  If you encounter multiple fault codes or persistent issues with your air heater, it may indicate a need for replacement.
• Is this ECU compatible with other models?
  It is specifically designed for the Eberspacher Airtronic M3 D4L model.
• Can I install the ECU myself?
  While it is possible, it is recommended to consult a professional for installation to ensure proper function.
• What should I do if I encounter a fault code?
  Refer to the diagnostic guide for troubleshooting steps or consult a professional technician.