Error code
OBD2 U0427
OBD2U0427
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Invalid Data Received From Vehicle Security Control Module.
Severity
moderateCan continue driving, but security features may be compromised.
Summary
U0427 indicates invalid data received from the alarm system control module, which is part of the vehicle's security system.
Common Causes
- Faulty or damaged wiring between the alarm system control module and other modules
- Malfunctioning alarm system control module
Fixes
- Inspect and repair wiring connections related to the alarm system control module.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- U0400Invalid Data Received
- U0401Invalid Data Received From ECM/PCM
- U0402Invalid Data Received From Transmission Control Module
- U0403Invalid Data Received From Transfer Case Control Module
- U0404Invalid Data Received From Gear Shift Control Module
- U0405Invalid Data Received From Cruise Control Module
- U0406Invalid Data Received From Fuel Injector Control Module
- U0407Invalid Data Received From Glow Plug Control Module
- U0408Invalid Data Received From Throttle Actuator Control Module
- U0409Invalid Data Received From Alternative Fuel Control Module
- U0410Invalid Data Received From Fuel Pump Control Module
- U0411Invalid Data Received From Drive Motor Control Module