KIA Niro EV / Hybrid (SG2) - (2021-2023) - Owner's manual > Features of your vehicle: Immobilizer system
The immobilizer system reduces the risk
of unauthorized vehicle use.
It is comprised of a small transponder in
the ignition switch and electronic
devices inside the vehicle. It checks and
determines and verifies if the ignition
key is valid or not.
If the key is valid, the engine will sta ...
Toyota CH-R Service Manual > Smart Key System(for Start Function): Ignition Hold Monitor Malfunction (B2271)
DESCRIPTION
This DTC is stored when a malfunction in the IG circuit or IG hold circuit of
the certification ECU (smart key ECU assembly) is detected.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B2271
...