WOMS
U code network Medium severity

U0587 Invalid Data Received From With Radiator Anti Tamper Device

The OBD2 code U0587 indicates that the vehicle's control module has received invalid or corrupted data from the radiator anti-tamper device, suggesting a communication issue or malfunction in that system

Definition

The OBD2 code U0587 indicates that the vehicle's control module has received invalid or corrupted data from the radiator anti-tamper device, suggesting a communication issue or malfunction in that system

Common causes

  • Faulty radiator anti-tamper device
  • Wiring issues or damaged connectors
  • Corrupted data communication between modules
  • Software glitches in the vehicle's control modules
  • Poor ground connections
  • Interference from aftermarket modifications or devices
  • Faulty or malfunctioning control module

Common misdiagnoses

  • Faulty radiator anti-tamper device
  • Wiring issues or short circuits
  • Faulty engine control module (ECM)
  • Faulty transmission control module (TCM)
  • Corrupted software or firmware in the vehicle's control modules
  • Issues with the vehicle's communication network (CAN bus)
  • Faulty sensors related to the cooling system
  • Battery or power supply issues affecting module performance

Troubleshooting steps

  1. 1. Check for Additional Codes

    Use an OBD-II scanner to check for any other trouble codes that may be present. This can provide more context and help identify related issues

  2. 2. Inspect Wiring and Connectors

    Examine the wiring and connectors associated with the radiator anti-tamper device. Look for signs of damage, corrosion, loose connections, or frayed wires. Repair or replace any damaged components

  3. 3. Check the Radiator Anti-Tamper Device

    If the wiring and connectors are in good condition, the issue may lie with the radiator anti-tamper device itself. Test the device for proper operation according to the manufacturer's specifications

  4. 4. Inspect Other Modules

    Since U0587 is a communication-related code, check other control modules in the vehicle for faults. Ensure that all modules are functioning correctly and communicating as expected

  5. 5. Perform a Network Test

    Use a scan tool to perform a network test to check for communication issues between modules. This can help identify if the problem is isolated to one module or if it is a broader communication issue

  6. 6. Check for Software Updates

    Sometimes, software glitches can cause communication errors. Check if there are any available updates for the vehicle's control modules and apply them if necessary

  7. 7. Clear Codes and Test Drive

    After performing the above checks and repairs, clear the trouble codes using the OBD-II scanner. Take the vehicle for a test drive to see if the code reappears

  8. 8. Consult Technical Service Bulletins (TSBs)

    Look for any TSBs related to the U0587 code or the radiator anti-tamper device for your specific vehicle make and model. Manufacturers may have issued guidance on common issues and fixes

  9. 9. Seek Professional Help

    If the issue persists after performing these steps, it may be necessary to consult a professional mechanic or dealership for further diagnosis. They may have access to specialized tools and knowledge to resolve the issue. By following these troubleshooting steps, you can systematically identify and address the cause of the U0587 code