(a) A manufacturer shall perform corrective action, including, but not limited to, providing an extended warranty as defined in section 2166.1, to correct the systemic failure of emission control components other than exhaust after-treatment devices on-board diagnostic computers and systems, urea dosers, hydrocarbon injectors, exhaust gas recirculation valves, exhaust gas recirculation coolers, turbochargers, fuel injectors, or functional equivalents when the number of valid failures meet or exceed the corrective action thresholds, as determined by the Executive Officer pursuant to section 2143. The corrective action plan must be submitted no later than 90 days after the corrective action threshold specified in section 2143 has been exceeded.

(b) A manufacturer shall recall an engine family, test group, or subgroup of vehicles or engines and provide an extended warranty for the components that are replaced to correct the systemic failure, as defined in section 2166.1, other than an exhaust after-treatment device, on-board computer or system, urea doser, diesel particulate filter fuel injector, exhaust gas recirculation valve, exhaust gas recirculation cooler, turbocharger, or fuel injector, when the number of valid failures for a component meets or exceeds 25 percent of the sales volume within five years. The recall plan must be submitted no later than 90 days after the number of valid failures has exceeded 25 percent.

(c) The Executive Officer may determine a recall is necessary pursuant to section 2148 for the circumstances specified in (a).