If a P69B code is stored (or UPD fails to activate):
: On Hybrid Vitz variants, B-mode increases regenerative braking to recharge the battery more aggressively while slowing the vehicle. Modernizing Your Vitz p69b toyota vitz upd
: Often used for vintage vehicles (such as Volkswagen or Porsche) rather than modern Toyotas. Decoding the P69B Code in the Toyota Vitz:
: Many units use a CVT. If your shifter has "S" and "B" modes: p69b toyota vitz upd