B2796 (blink 12) on Toyota Passo (KGC10): Immobilizer coil / faulty key

Short answer: B2796 means “Immobilizer coil / faulty key”. 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

B2796 · blink 12

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

1. Warning lamp per chart (see page)

Likely causes

1. Immobilizer coil / faulty key

What to check, in order

1. Follow manual section procedure for this code

Related on this car

• All fault codes for this car
• Warning lights
• Where the parts are (parts map)
• Common problems

Same code on other cars

• B2796 · Toyota Corolla (9th gen, E120)
• B2796 on all cars compared

← C1573/73 B2780/15 →

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.