Steering Wheel Surges/Jerks While Turning
| Condition | Action |
|---|---|
| Verify the customer complaint | Test the vehicle on a shop hoist or road test. It may be necessary to compare to a like vehicle to determine if an issue is present. |
| DTCs are present | Confirm and repair the condition that set DTC. Diagnostic Starting Point - Vehicle |
| Loss of battery voltage at steering gear | Inspect the battery cable connection for looseness and corrosion. Inspect/test the battery. Battery Inspection/Test |
| Loss of battery voltage at steering gear |
NOTE:
If the connectors or terminals are damaged and/or corroded at the Power Assist Motor, replace the Power Steering Assist Motor. Power Steering Assist Motor Replacement Wiring harness, connectors, and terminals that power the electric dual pinion rack and pinion steering gear cannot be repaired. The appropriate wiring harness or the electric dual pinion rack and pinion steering gear component must be replaced. |
| Loss of battery voltage at steering gear |
NOTE:
Inspect the engine wiring harness connectors and terminals leading to the steering gear for looseness, corrosion, and/or damage. If the engine wiring harness connectors or terminals has looseness, corrosion, and/or damage, replace the engine wiring harness.Wiring harness, connectors, and terminals that power the electric dual pinion rack and pinion steering gear cannot be repaired. The appropriate wiring harness or the electric dual pinion rack and pinion steering gear component must be replaced. |
| Loss of communication with the electric dual pinion rack and pinion steering gear. |
NOTE:
Inspect the wiring harness, connectors and terminals at the electric dual pinion rack and pinion steering gear torque sensor for looseness, corrosion, and/or damage. If the wiring harness, connectors and terminals are damaged and/or corroded at the power steering gear torque sensor, replace the electric dual pinion rack and pinion steering gear. Electric Dual Pinion Rack and Pinion Steering Gear Replacement Wiring harness, connectors, and terminals that communicate with the electric dual pinion rack and pinion steering gear cannot be repaired. The appropriate wiring harness or the electric dual pinion rack and pinion steering gear component must be replaced. |
| Binding in the inner tie rod ends. | Inspect the inner tie rods. Steering Linkage Inner Tie Rod Inspection |
| Binding in the outer tie rod ends. | Inspect the outer tie rods. Steering Linkage Outer Tie Rod Inspection |
| Binding in the ball joints. | Inspect the ball joints. Ball Joint Inspection |
| Binding in the upper intermediate steering shaft. | Replace the upper intermediate steering shaft. Upper Intermediate Steering Shaft Replacement |
| Binding in the upper intermediate steering shaft boot. | Replace the intermediate steering shaft. Intermediate Steering Shaft Boot Replacement |
| Binding in the intermediate steering shaft. | Replace the intermediate steering shaft. Intermediate Steering Shaft Replacement |
| Binding in the steer gear boots. | Replace the steering gear boot. |
| Binding in the steering column. | Replace the steering column. Steering Column Replacement |
| Binding in the electric dual pinion rack and pinion steering gear. | Replace the electric dual pinion rack and pinion steering gear. Electric Dual Pinion Rack and Pinion Steering Gear Replacement |
| Binding in the front wheel drive shaft inner joint or boot. | Replace the front wheel drive shaft inner joint or boot. Front Wheel Drive Shaft Tri-Pot and Constant Velocity Joint Boot Replacement |
| Binding in the front wheel drive shaft outer joint or boot. | Replace the front wheel drive shaft outer joint or boot. Front Wheel Drive Shaft Tri-Pot and Constant Velocity Joint Boot Replacement |