- No communication with the variable assist power steering (VAPS) module
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- Unable to enter self-test
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- Variable assist power steering (VAPS) module.
- Diagnostic tool.
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- Hard steering or lack of assist (no DTCs present)
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- Seized lower steering column shaft U-joints.
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- Damaged, fractured steering column bearing(s).
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- Steering gear internal leakage.
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- Low fluid level.
- Fluid aeration.
- Steering gear.
- Power steering pump.
- Loose or damaged steering linkage.
- Loose or damaged suspension component(s).
- Steering column.
- Steering column boot bearing.
- Intermediate shaft.
- Loose dash boot seal.
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- Steering is very difficult/very easy
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- Seized intermediate shaft U-joints.
- Damaged, fractured steering column bearing(s).
- Steering gear.
- Power steering pump.
- Power steering hoses.
- Binding dash boot seal.
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- Excessive steering wheel play
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- Steering gear.
- Steering column.
- Steering column intermediate shaft.
- Steering linkage.
- Ball joints.
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- Steering system drift/pull/wander
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- Tire pressure.
- Unevenly loaded vehicle.
- Wheel alignment.
- Steering gear.
- Steering column intermediate shaft.
- Frame alignment.
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- ADJUST tire pressure as necessary.
- CORRECT the vehicle loading as necessary.
- GO to PINPOINT TEST H .
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- Loose, worn or damaged tie-rod.
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- Loose, worn or damaged tie-rod ends.
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- Loose or damaged steering gear insulators or bolts.
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- TIGHTEN the bolts or INSTALL new steering gear insulators as necessary.
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- Loose lower steering column shaft U-joint or pinch bolts.
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- TIGHTEN or INSTALL new lower steering column shaft and bolts as necessary. REFER to STEERING COLUMN .
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- Loose suspension bushings, fasteners, ball joints or strut bearing plate (if applicable).
- Worn or damaged steering column bearing(s).
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- Poor returnability/sticky steering
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- Binding lower steering column shaft U-joints.
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- Loose, worn or damaged front wheel knuckle tie-rod.
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- Loose, worn or damaged tie-rod ends.
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- Binding steering column bearing(s).
- Binding dash boot seal.
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- INSTALL new steering column bearing(s) or dash boot seal as necessary. REFER to STEERING COLUMN .
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- Loose, worn or damaged tie-rod end.
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- Loose, worn or damaged tie-rod.
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