P2437: AIR System Air Flow/Pressure Sensor Circuit Low Bank 2
What Does P2437 Mean?
P2437 is a diagnostic trouble code indicating: AIR System Air Flow/Pressure Sensor Circuit Low Bank 2. This code relates to the powertrain system. It has been reported in NHTSA complaints across 1 different vehicle models.
Symptoms of P2437
- ⚠️ Check engine light illuminated
- ⚠️ Vehicle enters limp/reduced power mode
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"TAKATA RECALL - ERROR CODE P2437 AND P2438. MY TRUCK HAS 76000 MILES ON IT AND IS NOW IN LIMP MODE. IT WAS VERY SCARY WHEN IT WENT THERE ON THE HIGHWAY. I'VE SEEN ONLINE THIS PROBLEM EXISTING ON OTHER TOYOTA VEHICLES AND THEY HAVE RECALLS, BUT NOT THE TACOMA. THIS PROBLEM NEEDS TO BE ADDRESSED. THE "
— Toyota Tacoma owner, 05/05/2018
Source: NHTSA Complaints Database
Most Reported Vehicles for P2437
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | TOYOTA TACOMA |
Frequently Asked Questions
Can I drive with this code?
Will this code clear itself?
How do I find the exact cause?
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.