Code result
U0425
Invalid Data Received from Vehicle Immobilizer Control Module
Moderate severity
What it means
The ECU receives an authorisation message from the immobilizer that is corrupted or out of range. Engine start is blocked.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Rolling code out of sync
highOne of the most commonly reported causes for this code — check this first.
Gateway module routing CAN messages incorrectly
lowLess common, but worth ruling out after the more likely causes.
CAN terminating resistor (120 Ω) drifted out of spec
lowLess common, but worth ruling out after the more likely causes.
Related help
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