U0587

Invalid Data Received From With Radiator Anti Tamper Device

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Minor changes in the operation of the cooling system are possible
The error may not show obvious symptoms
In some cases, climate control malfunctions may occur.

Causes

Radiator protection device malfunction
Open or short circuit in the circuit
Connector connection problems
Engine control unit malfunction
Software error in ECU

How to Fix

Check the integrity of the device connection circuit
Inspect connectors for corrosion or damage
Diagnose the radiator protection device
If necessary, replace the faulty device
Update ECM software if updates are available

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