SAIS BYPASS installed CLEARED P2440/P2443 now P1613..

I purchased a used 2010 Tundra 4.6L 3 months ago. Received CE ran diagnostics OBD. Code P2440 initially and would go into limp mode. I’d clear it and it would go away for a few days but come back. Later on P2443 code popped and would return immediately after clearing CE with OBD scanner and limp mode would start. Well I ordered the SAIS bypass kit Gen2 from Hewitt Tech. Installed it and now only getting P1613. Don’t understand how if bypassing entire system to include PSO on bank 1. Now acceleration is very slow and it takes a while to pick up speed.I assume it’s in limp mode still (thoughts). After Hewitt troubleshooting with switching connections verified BYPASS KIT WORKS as well as PSO add-on is functional. Now looking to find out how to verify power is getting to secondary air injection driver and is there supposed to be a fuse/relay for it. I looked in the fuse box and AIR 1 Air 2 etc spots have empty bays with no wires or fuse insert. Did someone remove it to hide a more serious issue with SAIS?

 

This is the reason I did the dealer fix on my 08 Sequoia with SAIS failure instead of Hewitt Tech Bypass. Between the close to $1000 for the kit w the add ons, the labor to install and troubleshoot etc, the 2-3k at the dealer to fix the problem properly w OEM parts started to seem not too bad…

 

Gotcha , I did the install myself. Wasn’t too bad and luckily Hewlitt Tech. Is only 30 min away. I found that out today. I’m going to take it by there soon as they requested because they want to try and figure it out. I’m thinking it was tampered with by previous owner/ dealership that sold it. Based on looking at OEM part condition.

 

Hewitt has good costumer service
I installed the bypass on my 07, 5.7 well over five yrs ago it's been great, passed MA inspection no problems

 

man that’s lucky yeah they seemed very helpful on the phone