A friend just picked up a 94 Blazer (5.7 engine) and is having the following
Wheels lock when put in reverse (and sometimes, even in forward gear).
Car has L2 285/75 R 16 tires on it but it's supposed to have 245's or 265's.
He's wondering if the wrong tire size could be the problem he's having.
He does have a Tech II scantool but it couldn't get any data from the
module. Data flashed on the screen for a second - but that's it. He says
the scantool is working on other modules so I'm wondering if he could just
have a bad module that is a) not sending data to his scantool and b) sending
the wrong data to the tranny?
Any suggestions or help would be greatly appreciated.