Transmission doesn't downshift on mild hills or small throttle input on 2001 Pontiac Bonneville

Causes engine to "lug"

by in Cary, NC on March 26, 2012
1 answer
ANSWER by , March 27, 2012
HAVE YOUR CODES OR LIVE DATA SCANNED AND POST FINDINGS AND WE WILL TRY TO HELP. COULD BE A SHIFT SOLENOID NOT FUNCTIONING PROPERLY