Volvo bus BllR(3) step C, B8R(3) step C, B8R(3) step B (Builds: 2013-2016 for BllR(3) step C and B8R(3) step B; 2016-2019 for B8R(3) step C)

The current software does not provide sufficient NOx monitoring. Remedy: update EMS software. Number affected: 495, 88 and 7, respectively. Manufacturer reference: M9914, M9921 and M9922, respectively. Vehicle IDs: YV3T2U826DA162687-YV3T2U827G1180555, YV3T7U523HA182469-YV3T7U522KA197200 and YV3T7U527EA166030-YV3T7U522GA178265, respectively.