Shudder on Acceleration at Low Speed

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

Checks	Action
DEFINITION: When the vehicle is accelerating at low speed a shudder occurs.
The driveline center bearing angle is excessive or incorrectly set.	Determine if the driveline angle is incorrect then correct as necessary. Diagnostic Starting Point - Vehicle
One or more of the joints are worn or damaged.	Replace the propeller shaft. Front Axle Propeller Shaft Replacement (L3B) , or Front Axle Propeller Shaft Replacement (LSY) Propeller Shaft Replacement (LSY, RWL) , or Propeller Shaft Replacement (L3B, RWL) , or Propeller Shaft Replacement (L3B, F46) , or Propeller Shaft Replacement (LSY, F46) , or Propeller Shaft Replacement (LF4, MHU) , or Propeller Shaft Replacement (LF4, MG9)
Rubber coupling bolts loose	Tighten the bolts to specifications. Fastener Specifications