Error code
OBD2 U0426
OBD2U0426
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Invalid Data Received From Vehicle Immobilizer Control Module.
Severity
moderateCan continue driving, but may experience issues with starting the vehicle.
Summary
U0426 indicates that invalid data is being received from the immobilizer control module, which could affect the engine's operation.
Common Causes
- Faulty or damaged wiring between the ECU and the immobilizer control module
- Malfunctioning immobilizer control module
Fixes
- Inspect and repair any damaged wiring between the ECU and immobilizer control module.
FAQ
What does U0426 mean?
U0426 indicates that invalid data is being received from the vehicle's immobilizer control module.
How serious is this code?
This issue is moderate in severity. While you can still drive, it may cause problems with starting the engine.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
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- 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