E6 UREA Tank Temperature not plausible with Pump module temperature - SRC Low: diagnostic value UREA temperature too low - P205B Reagent - tank temperature sensor (temperature of the Reagent - solution in the tank) - Out of range
If Inadequate air flow is problematic, so clogged air filters, evaporator core air flow restricted, faulty blower fan motors, defective blower switch or faulty wiring or loose connections.