For Shop Owners

P0446 TOYOTA - EVAP System Vent Control Circuit

Repair Importance Level: 1/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • Missing Fuel cap
  • Incorrect fuel filler cap used
  • Fuel filler cap remains open or fails to close
  • Foreign matter caught in fuel filler cap
  • Vent control valve harness is open or shorted
  • Vent control valve circuit poor electrical connection
  • Faulty vent control valve
What does this mean?

Tech notes

There are factory service bulletin for the following Toyota models:

Toyota RAV4
Toyota Tercel
Toyota Paseo
Toyota Camry
Toyota Avalon
Toyota Tacoma
Toyota 4Runner
Toyota T-100
Toyota Factory Service Bulletin OBDII Code P0446

2003 – 2004 Toyota Corolla
2003 – 2005 Toyota Matrix
Toyota Factory Service Bulletin OBDII Code P0446 Corolla and Matrix

If P0446 is combine with P0440 and P0441 use this bulletin:
2000-2003 Toyota Solara
2000-2003 Toyota Avalon
2000-2003 Toyota Camry
2001-2003 Toyota Sienna
Toyota Factory Service Bulletin OBDII Code P0446 Solara, Avalon, Camry, Sienna

If only P0446 is present:
2001-2003 Toyota Sienna
Toyota Sienna Factory Service Bulletin OBDII Code P0446

Toyota P0441, P0446 EVAP Diagnostics and Vacuum Switching Valve Testing Video




User submitted video
What does this mean?
Check this articles: engine code p0137 | p0301 engine code | what does p0174 code mean | evap code p0442
Posted and Edit by kvjournal.ru 08-16-2017