No Engine Braking in Manual Ranges (Touch Activated Power)

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Checks	Cause
DEFINITION: A large engine RPM increase and forward vehicle speed decrease do not immediately occur when the transmission is shifted from Drive to manual ranges or a coast condition occurs in any manual range.
Accumulator and Manual 2-1 Band Servo Assembly	A loose or damaged manual 2-1 band servo oil pipe (125) Loose manual 2-1 band servo cover or accumulator cover bolts (103, 131) A damaged accumulator cover spacer plate assembly (134) A damaged or missing servo piston seal (107) or a servo piston cylinder O-ring seal (113) A missing servo exhaust screen assembly (115), allowing debris into the cylinder A misassembled manual 2-1 servo assembly (103-115)
Manual 2-1 Band Assembly	A band assembly (680) that is worn or burned A band assembly (680) that is disengaged from the anchor pin (102) A band anchor pin (102) that is loose or missing
Low Regulator Valve	Valve stuck or missing spring
1-2 Shift Solenoid	Valve stuck OFF