got a p2431 error on a 08 tundra what does it mean

Question

error code p2431 on a toyota tundra 2008...all lights on the dash came on engine traction control and 4 wheel drive all at once

Answer 1

HI there

This code means there is a problem with the secondary air injection system on bank 1. This should not cause the engine to shut down. Here is some more info on the code for you.

P2431 TOYOTA - Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1

Read more: https://www.autocodes.com/p2431_toyota.html