All-wheel-drive system behavior
Judder during low-speed turns, vibration on acceleration and driveline warnings may involve tire rolling circumference, wheel-speed data, front or rear axle joints, prop shafts, transfer-case control or differential components. Similar symptoms can arise from unrelated engine or transmission faults.
How a technician distinguishes the causes
Check all four tires for size, tread depth and pressure; inspect joints and mounts. Road-test under repeatable steering and load conditions, review wheel-speed and AWD module faults, and check fluid condition or actuator operation where applicable. Avoid condemning a transfer case before excluding tire and axle causes.
Repair decisions and verification
Verify the repair with tight-turn maneuvers and acceleration under the original complaint conditions, and confirm that related chassis faults do not return.
What owners may notice. Shudder during turns, vibration under load or AWD warnings can result from tire mismatch, differential or driveline wear, electronic control or transfer-case faults.
How the problem should be diagnosed. Inspect tire uniformity, wheel bearings, driveline connections and fluid leakage, then use appropriate module data to narrow the fault.
Repair and safety considerations. Tire condition can materially affect all-wheel-drive behavior.
If your Maserati is showing these symptoms, call Mich’s Foreign Cars in Hickory, NC at 828-324-6012. Please provide the year, model, engine, warning messages and any recent repair history so the service department can discuss the appropriate next step.