B2798 (blink 25) on Toyota Passo (KGC10): Frame receiving faulty
Short answer: B2798 means “Frame receiving faulty”. The car’s computer has found a fault in the Immobilizer system and turns on the Security (immobiliser) indicator. First check: follow manual section procedure for this code.
- Code
- B2798 · blink 25
- System
- Immobilizer
- Dashboard light
- Security (immobiliser) indicator
- Also sold as
- Daihatsu Boon, Daihatsu Sirion (M300)
- Applies to
- M300/M301 export; JDM Boon/Passo 1st gen by platform
- Confidence
- high (factory chart); description parsing medium
- Source
- carmanualsclub.com
Symptoms and when it is set
- Warning lamp per chart (see page)
Likely causes
- Frame receiving faulty
What to check, in order
- Follow manual section procedure for this code
Related on this car
Same code on other cars
Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.

