What does code U0587 mean?

Q: What does code U0587 mean?

Invalid Data Received From Radiator Anti-Tamper Device. U0587 means the module that monitors the radiator anti-tamper device received data it considers invalid, so it cannot trust the signal coming from that component. The anti-tamper device is a sensor or switch that detects whether the radiator or its shroud has been removed or disturbed, and the computer sets this code when the data stream from it is missing, out of range, or contradictory.

DTC codes / U05xx · Network communication / U0587

U0587Invalid Data Received From Radiator Anti-Tamper Device

U0587 means the module that monitors the radiator anti-tamper device received data it considers invalid, so it cannot trust the signal coming from that component. The anti-tamper device is a sensor or switch that detects whether the radiator or its shroud has been removed or disturbed, and the computer sets this code when the data stream from it is missing, out of range, or contradictory.

SystemNetwork

Code typeGeneric (all makes)

SeverityLow

Fix difficultyIntermediate

AreaNetwork communication

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.