TRNW-2: TCC functional test. 4l60e

[John Lovell]

My guess would be no. Don't you need 2nd gear oil to stroke the L/U valve
in the pump? Probably just turn solenoid off and on. Listen for it clicking.



On Mon, Jun 9, 2025 at 3:02 PM preston farmer via trnw2 <trnw2 at trnw.net>
wrote:

> '07 tahoe, in the functional test for tcc, is'nt  it supposed to kill the
> eng with tcc on and trans in gear?
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