P0418 on TOYOTA TUNDRA
AIR System Control A Circuit
What P0418 Means on Your TOYOTA TUNDRA
P0418 is a diagnostic trouble code indicating: AIR System Control A Circuit. This code relates to the emission controls system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real TOYOTA TUNDRA Owner Reports
Source: NHTSA Complaints Database
"Service engine light came on while driving under 30mph. engine no longer starts correctly. only 51,000 miles. air pump assembly and air switching valves error code. (p0418) known defunct parts for 2007 tundras which toyota extended warranty to 10 years or 150,000 miles."
"My 2011 toyota tundra while it was being driven the engine light came on. it was driven to a nearby o' reilly's for a code check. the code was p0418 which is the air induction pump which is an emission's code."
"Check engine light went on. got a code p0418-vehicle will go limp/not able to go over 25mps. toyota has a warranty repair program in place for all 2012 tundras with a 5.7 size but not mine because it is a 4."
"Check engine light came on.the code shoes p0418 air injection valve/pump. 76,000 mi on engine. cruising down interstate lost power. toyota extended warranty up to 2011 models."
"Code p0418 secondary air injector code keeps coming on - and is a known problem."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on TOYOTA TUNDRA
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
-
1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
-
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
-
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.