p0740 p0753 p0758 p0785 p2761

Mrrcx

Original poster
Member
Jan 23, 2018
1
Simi Valley
New to the forum, looking forward to some good discussions.
2005 Silverado 1500 2wd.
5.3 V8 and 4L60E that has been upconverted to 4L65E
Just installed a rebuilt trans, and am getting this cluster of codes
p0740
p0753
p0758
p0785
p2761
Truck had 0 issues before the trans came out.

Where do I start?
What did I break?
 

Zeplive

Member
Oct 20, 2020
1
San jose ca. 🇺🇸
New to the forum, looking forward to some good discussions.
2005 Silverado 1500 2wd.
5.3 V8 and 4L60E that has been upconverted to 4L65E
Just installed a rebuilt trans, and am getting this cluster of codes
p0740
p0753
p0758
p0785
p2761
Truck had 0 issues before the trans came out.

Where do I start?
What did I break?
Dod
Did you figure it out what did you do to fixit
 

mrrsm

Lifetime VIP Donor
Supporting Donor
Member
Oct 22, 2015
7,641
Tampa Bay Area
 

Mooseman

Moderator
Dec 4, 2011
25,262
Ottawa, ON
Either an ignition switch as mentioned above or a wiring, ground or power issue.
 

tylervet

Member
Jan 19, 2021
1
ATL
Thank you for the helpful post. I have a 2004 Suburban that was posting codes p0758 p0753 p0740 p0785 p2761. Changing the ignition switch was all it took to fix it. $33 from Napa.
 
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