P2442 on TOYOTA TUNDRA — AIR System Switching Valve Stuck Open Bank 2

Q: "What does P2442 mean on a TOYOTA TUNDRA?"

"P2442 indicates: AIR System Switching Valve Stuck Open Bank 2. This is a powertrain code. 19 TOYOTA TUNDRA owners have reported this to NHTSA."

Q: "What are the most common causes of P2442 on TOYOTA TUNDRA?"

"Based on 19 NHTSA reports, the most commonly cited components are: Engine And Engine Cooling, Engine, Service Brakes, Air,Fuel System, Gasoline,Electronic Stability Control (Esc). These percentages are based on the component field in owner complaints."

Q: "Is P2442 serious on my TOYOTA TUNDRA?"

"Of 19 NHTSA reports for this code on TOYOTA TUNDRA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my TOYOTA TUNDRA shows P2442?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P2442 Means on Your TOYOTA TUNDRA

P2442 is a diagnostic trouble code indicating: AIR System Switching Valve Stuck Open Bank 2. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

19 TOYOTA TUNDRA owners have reported this issue to NHTSA across model years 2007-2012. Most reports come from the 2008, 2011 model years.

Real TOYOTA TUNDRA Owner Reports

Source: NHTSA Complaints Database

"1st week of april, 2011, 2007 tundra went into "limp" mode, hooked up tester, said p2442 code. common problem, on these trucks, from what dealer told me. ordered parts, at that time. $1500.00 of parts ordered. took 9 weeks, to get parts. a very dangerous truck to drive, with this situation."

— 2007 TOYOTA TUNDRA owner · ENGINE AND ENGINE COOLING · Filed 04/17/2011

"2007 toyota tundra went into limp mode. error p2442 reported. 75k miles on truck with air induction system valve sticking due to what appear to be water intrusion. the failure started out intermittently, then became consistent. cost $1000 to replace both valves in each air induction bank."

— 2007 TOYOTA TUNDRA owner · ENGINE AND ENGINE COOLING · Filed 06/06/2011

"2007 toyota tundra 4.7l engine p2442 code engine in limp mode. secondary air intake valve failed in open position. 62000 miles. this is a known defective system that fails if driven in wet conditions due to poor air fan intake design. it sits in the wheel well and is wet all the time."

— 2007 TOYOTA TUNDRA owner · ENGINE AND ENGINE COOLING · Filed 06/07/2011

"The toyota tundra 2007-2010 carry a major saftey issues all over the net, under error code p2415 or p2440 or p2441 or p2442 series of errors, which prevent the truck from accelerating or stopping properly for that matter."

— 2007 TOYOTA TUNDRA owner · SERVICE BRAKES, AIR,FUEL SYSTEM, GASOLINE,ELECTRONIC STABILITY CONTROL (ESC) · Filed 03/06/2010

"NHTSA id #10140591 was the campaign that my truck was warrantied under, i am exactly 64 days outside of toyota's extended warranty and my truck started throwing code p2442 bank 2 secondary air injector valve staying open, a known issue with this truck."

— 2008 TOYOTA TUNDRA owner · POWER TRAIN,ENGINE · Filed 05/13/2019

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

4

'07

7

'08

1

'09

5

'11

2

'12

Common Causes on TOYOTA TUNDRA

Based on NHTSA complaint component analysis for this vehicle.

ENGINE and ENGINE COOLING 26.3%

ENGINE 15.8%

SERVICE BRAKES, AIR,FUEL SYSTEM, GASOLINE,ELECTRONIC STABILITY CONTROL (ESC) 5.3%

POWER TRAIN,ENGINE 5.3%

POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE 5.3%

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.

Frequently Asked Questions

What does P2442 mean on a TOYOTA TUNDRA? ▾

P2442 indicates: AIR System Switching Valve Stuck Open Bank 2. This is a powertrain code. 19 TOYOTA TUNDRA owners have reported this to NHTSA.

What are the most common causes of P2442 on TOYOTA TUNDRA? ▾

Based on 19 NHTSA reports, the most commonly cited components are: Engine And Engine Cooling, Engine, Service Brakes, Air,Fuel System, Gasoline,Electronic Stability Control (Esc). These percentages are based on the component field in owner complaints.

Is P2442 serious on my TOYOTA TUNDRA? ▾

Of 19 NHTSA reports for this code on TOYOTA TUNDRA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my TOYOTA TUNDRA shows P2442? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

P2442 on Other Vehicles

TOYOTA TACOMA

84 reports

→ All codes reported on TOYOTA TUNDRA