In rare cases they might not enter a "failsafe" driving mode, lose power and stall, the company warned.
The Borneo Motors spokesman said that once the latest software is available, it will update the software for all affected vehicles at no charge.
Power steering and braking would still work, but a stall at a fast speed could increase the risk of a crash.
This isn't the first time Toyota has been forced to recall some of its cars.
A total of 744 Toyota Prius cars in Singapore have been recalled due to a fault that could result in a higher risk of the cars crashing. The cars are created to enter a fail-safe or "limp home" driving mode if the hybrid system overheats or develops other issues.
According to Toyota's release, this issue was also addressed in two prior recalls from 2014 and 2015.
Prius hybrids can stall without warning due to a software error that won't detect powertrain problems and correspondingly won't place the vehicle in a "limp home" mode that restricts speed.
A Toyota dealer in California highlighted the issue earlier this year when it sued Toyota over what it claimed was an inadequate fix for the safety problem.
Borneo Motors, Toyota's distributor in Singapore, said on Friday it is now in contact with the affected customers and commercial partners to initiate the rectification procedures.
"Due to inappropriate programming in the airbag electronic control unit (ECU), a fault may be erroneously detected during vehicle startup which would disable one or more of the sensors used to detect crashes", Toyota said.