Code 26
Thread Starter
Racer
Joined: May 2014
Posts: 468
Likes: 26
From: Middle Tennessee
Code 26
I have a great running 1992 LT1 with 98,000 miles.This car starts,runs and does it with no problems.I've been getting a service engine soon for a good long time.
Getting a code 26 quad-driver module.I do know my air pump is working fine.Where do I go from there?Hope its not a faulty ECM...Thanks
Getting a code 26 quad-driver module.I do know my air pump is working fine.Where do I go from there?Hope its not a faulty ECM...Thanks
Race Director
Joined: Apr 2002
Posts: 10,036
Likes: 346
From: Anaheim CA
Quad drivers turn on relays and solenoids. If there is a short it will set a quad driver code. The procedure is to determine which quad driver is seeing a fault. That will tell you which circuits are involved. Then you check those circuits to find the problem.
