How to Fix 2020 Chevy Traverse Power Steering Problems
If your 2020 Chevy Traverse steering feels heavy, inconsistent, or warning lights appear on the dash, the problem may be electrical, mechanical, or software-related.
This guide explains how to fix 2020 Chevy Traverse power steering problems with a practical step-by-step approach that helps you identify the real cause before replacing parts.
What power steering symptoms mean on a 2020 Chevy Traverse
The 2020 Chevy Traverse uses electric power steering, which means assistance comes from an electric motor and steering control system rather than hydraulic fluid and a belt-driven pump.
When something goes wrong, the steering may still work, but it can feel much heavier than normal or behave unpredictably.
- Steering wheel feels stiff at low speeds or when parking
- Power steering assist cuts in and out
- Dashboard shows a service power steering message
- Traction control or stability control warnings appear at the same time
- Steering wheel vibration or unusual noise during turns
These symptoms often point to a failing torque sensor, steering gear issue, weak battery voltage, or wiring fault rather than a simple fluid problem.
Check the battery and charging system first
Low voltage is one of the most common reasons for electric steering complaints on modern GM vehicles.
The electric power steering system depends on stable voltage, and a weak battery or failing alternator can trigger assist loss even if the steering components themselves are fine.
Inspect the battery age, terminal corrosion, and voltage with the engine off and running.
A healthy battery should typically read around 12.6 volts at rest, and charging voltage should usually be in the 13.5 to 14.8 volt range with the engine on.
- Clean corroded terminals
- Check for loose battery cables
- Test battery load capacity
- Verify alternator output
If voltage is unstable, fix that issue before replacing steering parts.
A weak electrical supply can create false steering faults and return after repairs if the root cause is ignored.
Scan for diagnostic trouble codes
Before replacing any steering component, scan the vehicle with an OBD-II scanner that can read chassis and body codes, not just basic engine codes.
The power steering system on the Traverse may store codes related to the steering gear, torque sensor, control module, or communication errors.
Common fault areas may include:
- Steering assist performance
- Torque sensor range or correlation problems
- Voltage or low-voltage events
- Lost communication with steering-related modules
- Internal steering gear motor faults
Write down the exact code numbers and freeze-frame data.
This information helps determine whether the problem is intermittent, electrical, or mechanical.
Inspect the steering wheel and column for obvious issues
Sometimes the problem begins with a mechanical bind in the steering column or related components.
Check for tight spots when turning the wheel with the engine running and the vehicle stationary.
If the wheel feels rough, jerky, or binds in one direction, the issue may be more than the assist system.
Inspect the steering column area for damaged trim, loose connectors, or evidence of past water intrusion.
Look underneath the vehicle for damage to the steering gear housing, intermediate shaft, and front suspension components.
Worn tie rod ends or ball joints can make steering feel abnormal and may be mistaken for power steering failure.
Look for software or module calibration problems
On the 2020 Chevy Traverse, steering assist issues can sometimes be corrected with updated software or recalibration.
General Motors has used software revisions across many models to improve steering response, reduce false warnings, or address intermittent assist loss.
If a scan tool shows module-related faults and the battery and wiring check out, ask a dealer or qualified repair shop to check for Technical Service Bulletins and available updates.
In some cases, the steering angle sensor, torque sensor, or steering control module may need a relearn procedure after repairs or battery replacement.
- Steering angle sensor relearn
- Torque sensor calibration
- Power steering module software update
- Battery reset or system relearn
Check wiring, connectors, and grounds
Electric power steering systems are highly sensitive to poor electrical connections.
A loose connector, damaged wire, or weak ground can interrupt power steering assist without causing permanent component damage.
Pay close attention to wiring near the steering gear, battery, fuse box, and chassis grounds.
Road salt, moisture, and heat can damage harnesses over time.
If the steering assist cuts out over bumps or returns after restarting the vehicle, that pattern often suggests an intermittent wiring or connector issue.
Use a visual inspection first, then a continuity and voltage-drop test if you have the tools.
Do not overlook fused circuits, since a partially damaged fuse or corroded fuse terminal can also create intermittent loss of assist.
Examine the electric power steering gear
If voltage, software, and wiring checks do not solve the issue, the steering gear assembly may be failing internally.
On many modern SUVs, the motor and control electronics are integrated into the steering rack or gear, which means the unit may need replacement rather than a small standalone repair.
Signs that the steering gear may be at fault include:
- Persistent heavy steering after electrical checks
- Intermittent assist with valid voltage supply
- Noise from the steering gear area
- Fault codes that return after clearing
- No improvement after calibration or relearn
Because the steering gear is a critical safety component, replacement should be done by a technician familiar with GM steering systems.
After installation, the system often requires programming and alignment verification.
Some drivers assume the power steering has failed when the real issue is alignment or suspension wear.
Uneven tire pressure, incorrect wheel alignment, and worn front-end parts can all increase steering effort and make the Traverse feel harder to control.
Check tire pressure first, since underinflated front tires increase steering load.
Then inspect the front tires for uneven wear, and review alignment if the vehicle pulls to one side or the steering wheel is off-center.
Suspension wear will not trigger a steering motor failure, but it can make the symptoms feel similar.
What repairs are most common for 2020 Chevy Traverse power steering problems?
The right repair depends on the fault source.
In many cases, the fix is not a full steering rack replacement, especially if the issue is caused by low voltage or a module fault.
The most common repairs include:
- Battery replacement or charging system repair
- Cleaning or tightening electrical connections
- Software update or module relearn
- Replacement of a faulty torque sensor or steering gear assembly
- Front-end alignment after steering service
Always confirm the diagnosis with scan data and physical inspection before authorizing expensive repairs.
The electric steering system is integrated enough that guessing can lead to unnecessary parts replacement.
Can you keep driving with power steering problems?
Technically, a Traverse may still be drivable if steering assist is reduced rather than fully lost, but driving without reliable power steering is not ideal.
Low-speed steering can become difficult, especially in parking lots, on tight turns, or during emergency maneuvers.
If the steering wheel suddenly becomes very heavy, the warning light stays on, or the problem changes while driving, it is safer to limit driving and have the vehicle inspected.
If the assist failure is intermittent, the condition may worsen over time, which makes early diagnosis important.
How to fix 2020 Chevy Traverse power steering problems step by step
- Check battery condition and charging voltage.
- Read all stored diagnostic trouble codes with a capable scan tool.
- Inspect fuses, grounds, and steering-related connectors.
- Verify the steering column and front suspension move freely.
- Check for software updates or relearn procedures.
- Test the steering gear if all other systems pass inspection.
- Perform alignment after any steering component replacement.
Following this sequence helps narrow the fault quickly and reduces the chance of replacing a good part.
For many owners, the fix is electrical rather than mechanical, which is why testing matters before repair.