P2445 — AIR System Pump Stuck Off Bank 1

What Does P2445 Mean?

P2445 is a diagnostic trouble code indicating: AIR System Pump Stuck Off Bank 1. This code relates to the powertrain system. It has been reported in NHTSA complaints across 3 different vehicle models.

Symptoms of P2445

⚠️ Check engine light illuminated
⚠️ Vehicle enters limp/reduced power mode
⚠️ Failure to accelerate

P2445 Reports by Year

2017

2

2016

2

2018

1

2019

1

2014

1

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"AT LESS THEN 50K MILES ON THE ODOMETER AND 900 MILES FROM HOME MY TRUCK DECIDED TO GET A CHECK ENGINE LIGHT AND TRAC OFF LIGHT CAUSED BY CODES P2440 AND P2442 AND P2445. MERRY CHRISTMAS TO ME. THESE CODES PUT ME INTO LIMP MODE WHILE ON THE FREEWAY IN SNOWY AND ICY CONDITIONS. I COULD NOT MAINTAIN "
— Toyota Tacoma owner, 12/23/2017

"2012 TACOMA WITH 91,000 MILES: WHILE LEAVING WORK AND TRYING TO ACCELERATE ONTO HIGHWAY THE "CHECK ENGINE" AND "TRAC OFF" LIGHTS ILLUMINATED. VEHICLE WENT INTO "LIMP MODE" AND WOULD NOT GO FASTER THAN 35 MPH. I HAD TO QUICKLY PULL OFF THE ROAD AS TO NOT CAUSE AN ACCIDENT. I TOOK VEHICLE TO MAC HAIK"
— Toyota Tacoma owner, 12/13/2016

"I WAS DRIVING STRAIGHT AWAY GOING UP A SLIGHT HILL ON THE HWY EXCELLING AND PRESSING THE GAS PEDAL WHEN THE POWER SUDDENLY DROPPED AND WENT DOWN TO 20 MPH WHILE I PRESSED THE GAS PEDAL EVEN MORE THE ENGINE SOUNDED LIKE IT WAS REVVING BUT THE SPEED STAYED AT 20 MPH OR LESS.- THE CHECK ENGINE LIGHT, V"
— Toyota Tacoma owner, 02/01/2016

Source: NHTSA Complaints Database

Most Reported Vehicles for P2445

Based on NHTSA owner complaint data.

#	Vehicle	Reports
1	TOYOTA TACOMA
2	TOYOTA TUNDRA
3	TOYOTA 4RUNNER

P2445 Reports by Vehicle

Detailed NHTSA complaint analysis for each vehicle model.

TOYOTA TACOMA

4 NHTSA reports · Peak: 2012, 2015

TOYOTA TUNDRA

4 NHTSA reports · Peak: 2005, 2011, 2013

Frequently Asked Questions

Can I drive with this code?

It depends on the severity. If the vehicle runs normally, short trips are usually OK. If you notice performance issues, drivability problems, or warning lights beyond the check engine light, get it checked soon.

Will this code clear itself?

Some codes clear automatically after the underlying issue is fixed and several drive cycles pass. But the root cause must be addressed first.

How do I find the exact cause?

A code alone doesn't pinpoint the failed part. You need a diagnostic scan ($50-150 at most shops) that reads freeze frame data and live sensor readings to identify the specific component.

Reported Repair Costs for P2445

Based on 9 owner-reported repair costs from NHTSA complaints.

Low End

$200

Typical

$690

High End

$2000

⚠️ These are owner-reported costs, not estimates. Actual costs vary by location, labor rates, and root cause. Source: NHTSA complaints database.

What To Do Next

Possible Fixes

🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P2445: AIR System Pump Stuck Off Bank 1