P1676Invalid message from the immobilizer unit
- Hyundai/Kia code · Engine
- How the car detects it
- The immobilizer (SMARTRA) checks the chip in the key before the engine computer allows a start. The engine computer received a faulty message from the SMARTRA immobilizer unit. Applies to cars with an immobilizer.
- What you may notice
- Possible no-start
- Likely causes
- PossibleSMARTRA unit
- PossibleWiring or connector between SMARTRA and engine computer
- Sources
Backed by at least two independent sources.
From Obdaryn's Hyundai/Kia pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.