2017 GMC Acadia Key Won't Turn

Troubleshooting Common Issues When Your 2017 GMC Acadia Key Won't Turn and How to Resolve Them

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Reviewed by

Bo Fader

Written by RepairPal Car Genius

Updated January 14, 2025

35% chance it's the

Binding Steering Column/Lock

27% chance it's the

Ignition Switch

20% chance it's the

Ignition Key

18% chance it's

Something else

The most common reasons a 2017 GMC Acadia key won't turn are a binding steering column/lock, an ignition switch issue, or a problem with the ignition key.

Binding Steering Column/Lock: A binding steering column or lock can occur due to a worn or damaged steering column assembly or issues with the ignition lock mechanism.
Ignition Switch: A faulty ignition switch can prevent the engine from starting or cause intermittent electrical issues, affecting the vehicle's ability to run properly.
Ignition Key: A worn or damaged ignition key or ignition cylinder can prevent the key from turning, leading to starting issues.

Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

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RepairPal Certified shops can diagnose and repair your 2017 GMC Acadia electronics and electrical issues. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

What could be causing the key to not turn in the ignition of a 2017 GMC Acadia?

When faced with the frustrating issue of a key not turning in the ignition of your 2017 GMC Acadia, it's essential to adopt a methodical diagnostic approach. Start by checking for the simplest solutions, such as ensuring that the steering wheel is not locked. Gently turning the wheel while attempting to turn the key can often resolve the problem. Next, inspect the key itself for any signs of wear or damage; using a spare key can help determine if the original key is the culprit. If these initial checks do not yield results, examine the ignition cylinder for any signs of malfunction, as a worn or faulty cylinder can hinder the key's movement. Additionally, ensure that your vehicle's battery is in good condition, as a dead or weak battery can prevent the ignition system from functioning properly. If all else fails, consider the possibility of a faulty ignition switch, which may require professional inspection and replacement. By following this step-by-step approach, you can effectively diagnose the issue and determine whether a simple fix or professional assistance is needed.

What are the common problems that could cause the key to not turn in the ignition of a 2017 GMC Acadia?

When dealing with a key that won't turn in the ignition of a 2017 GMC Acadia, it's essential to understand the common problems that could be at play. One frequent issue is a locked steering wheel, which can occur if the steering column is under tension; gently turning the wheel while attempting to turn the key may resolve this. Another possibility is a faulty ignition cylinder, which may require professional repair or replacement if it fails to engage the key properly. Additionally, a worn or damaged key can hinder ignition; using a spare or having a new key made could be a simple solution. It's also important to check the vehicle's battery, as a dead or low battery can prevent the ignition system from functioning correctly. If the ignition switch is faulty, it may need inspection and replacement. Lastly, debris or dirt in the ignition cylinder can obstruct the key's movement, so cleaning the area may help. If these DIY solutions do not work, consulting a professional mechanic is advisable to accurately diagnose and fix the issue.

How urgent is it to address the ignition issue in my 2017 GMC Acadia if the key won't turn?

When your 2017 GMC Acadia's key won't turn, it is essential to recognize the urgency of the situation. Ignoring this issue can lead to significant inconveniences, such as being unable to start your vehicle, which disrupts your daily activities and transportation needs. Moreover, an ignition problem may indicate deeper mechanical issues that could compromise your vehicle's safety, putting you and others at risk on the road. Additionally, delaying repairs can result in further damage to the ignition system or related components, leading to more extensive and costly repairs in the future. Therefore, it is advisable to seek professional assistance promptly to diagnose and resolve the ignition issue, ensuring your vehicle remains safe and reliable. Addressing this problem quickly not only protects your investment but also enhances your overall driving experience.

Related 2017 GMC Acadia Problems

Read about related problems experienced by other GMC Acadia drivers like you.

GMC Acadia won't start and experiences no acceleration with engine power reduced

Some GMC Acadia owners report experiencing starting problems, which may stem from issues such as a weak or dead battery, fuel system faults, ignition system problems, or electrical issues. These starting difficulties can be exacerbated by factors like corrosion on battery terminals, a dead key fob battery, or a malfunctioning alternator. Additionally, some owners report experiencing no acceleration and reduced engine power, potentially linked to a failing alternator or charging system, blown fuses, or engine failure. To effectively troubleshoot these issues, it is advisable for owners to conduct a thorough diagnosis and seek professional assistance if necessary.

1 model year affected

2 others reported problem

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GMC Acadia front end shaking and noise issues while steering, worsens at higher speeds

Some GMC Acadia owners report experiencing front end shaking and noise issues while steering, particularly at higher speeds. These problems may stem from various factors, including unbalanced wheels, which are often the leading cause of steering wheel vibration. Additionally, issues with tires, suspension components like ball joints and tie rods, or the braking system could contribute to the shaking. Some drivers have noted distinctive knocking sounds from the front end when backing out of driveways or at slow speeds, and despite seeking help from dealerships and mechanics, pinpointing the exact cause can be challenging. Front end noise, such as rubbing or creaking sounds while turning, has also been reported by multiple users, indicating potential underlying issues. Furthermore, low-speed rattling or clunking, especially when driving over shallow potholes, may suggest worn-out components, although these may not always be the direct cause of the noise. It is advisable for owners experiencing these symptoms to consult a professional mechanic for a thorough inspection and appropriate repairs.

3 model years affected

Avg Mileage: 185,500

11 others reported problem

4 comments

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