Network
generic / SAE
U0427
Invalid Data Received from Vehicle Security Control Module
The vehicle security controller delivers data that does not pass plausibility checks. Alarm system or remote unlocking can behave erratically.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number4 / 27
Possible causes
- Security module failed medium
- Gateway module routing CAN messages incorrectly low
- CAN terminating resistor (120 Ω) drifted out of spec low
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 120–800 €
- Estimated time: 0.5–3 h
- Component: vehicle security module
Sources
References
sae:J2012