B2796: Immobilizer coil / faulty key
Short answer: B2796 means “Immobilizer coil / faulty key”. Below is what it means on each of the 2 cars we cover, with a link to the full page for each car.
B2796 on each car
| Car | Meaning on this car | Confidence |
|---|---|---|
| Toyota Passo (1st gen) | Immobilizer coil / faulty key (B2796/12) | high |
| Toyota Corolla (9th gen, E120) | NO COMMUNICATION IN IMMOBILISER SYSTEM (B2796/99) | high |
Symptoms
- Warning lamp per chart (see page)
Likely causes
- Immobilizer coil / faulty key
What to check, in order
- Follow manual section procedure for this code
Causes and checks above are the general meaning. The exact test steps and values differ by car: open your car’s page.