Cadillac CT6 Windshield Wipers Aren't Working

Common Causes of Non-Functioning Windshield Wipers in Your Cadillac CT6 and How to Fix Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
75% chance it's the
Wiper Motor
0%
25% chance it's the
Switch
The most common reasons a Cadillac CT6 windshield wipers aren't working are broken wiper motor and issues with the switch.
  • Wiper Motor: A faulty wiper motor or a bad electrical connection can result in intermittent or non-functioning windshield wipers.
  • Switch: A faulty switch can result in intermittent or complete failure of the electrical component it controls, leading to malfunctioning systems.
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.

How much does it cost to fix a Cadillac CT6 windshield wipers aren't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Inability to control the windshield wipers comes in several forms, and they are all indicative of windshield wiper switch failure. The windshield wipers may not work in all settings, may not turn on when requested, may not move to their parked position when turning off, or the washer pumps may or may not run at random. This is a general list of symptoms, but failure of anything the windshield wiper switch controls will indicate the need for testing the windshield wiper and washer switch.

A failed windshield wiper motor will do one of two things in the event of failure. First, it can intermittently work, meaning when the wiper switch is turned on, the windshield wipers may activate, and run for a random amount of time. This may happen at random, or change with a bump. Lastly, the windshield wipers could show no signs of activity, indicating motor failure.

The moment water touches the windshield, you know if you need new windshield wiper blades. If your wiper blades are torn, cracked, hard, or brittle, it is time for replacement. Wipers should also be replaced if the wiper blades only smear water around, seem to make a mess, streak the windshield, and miss large patches. If you are unhappy with the current wiper blades on your vehicle, this is a very economical change to make.

Windshield wiper arms will be replaced mainly for aesthetic reasons or damage. If the windshield arms become bent or rusted, the windshield wipers may not contact the windshield at the proper angle, or there may be no contact at all. Also, the sun will take a toll on these parts after years of use, and fading or clear coat peeling will result, not to mention rust.

Troubleshooting Non-Functional Windshield Wipers in a Cadillac CT6

When troubleshooting non-functional windshield wipers in your Cadillac CT6, begin by checking for simple issues that can easily be resolved. Start with the rubber edges of the wipers; if they are frozen to the windshield due to ice or snow, gently thaw them to restore functionality. Next, listen for any scratching sounds when the wipers are activated, as this could indicate worn-out blades that need replacement. If the wipers are moving slowly or not at all, inspect the wiper motor, as a malfunction here may require professional attention. Additionally, if your model features rain sense wipers, ensure they are properly enabled in the vehicle's settings, as this can affect their operation. By systematically addressing these potential problems, you can effectively diagnose and fix the issues with your windshield wipers, enhancing your driving visibility and safety.

What to Check When Windshield Wipers Aren't Working on a Cadillac CT6?

When troubleshooting windshield wiper issues on a Cadillac CT6, it's essential to consider several common problems that could be affecting their performance. Start by examining the wiper motor, as a malfunction here is often the primary culprit behind non-functioning wipers. Next, check the wiper switch; if it's faulty, it may not send the necessary signals to activate the wipers. Additionally, if you notice that one wiper is stuck, it could be due to frozen rubber edges, especially in winter conditions, which can lead to mechanical failures. Don't forget to inspect the wiper fuse located in the engine compartment; a blown 30A fuse can easily disrupt the wiper system. Lastly, ensure that the wiper blades themselves are in good condition, as torn or damaged blades can hinder performance. If your CT6 is equipped with rain-sensing wipers, verify that this feature is enabled in the vehicle's personalization settings, as it can sometimes be inadvertently turned off. By systematically checking these components, you can effectively diagnose and resolve the issues with your Cadillac CT6's windshield wipers.

Why Are the Windshield Wipers Not Working on a Cadillac CT6?

When your Cadillac CT6's windshield wipers fail to operate, it’s crucial to address the issue promptly, as neglecting it can lead to dangerous driving conditions and potential damage to the vehicle. Common culprits include clogged spray nozzles, which can prevent washer fluid from reaching the windshield, and leaking hoses that disrupt the fluid supply. Additionally, a blown fuse or a malfunctioning pump can halt wiper function entirely, while frozen washer fluid in colder months can render them ineffective. Electrical system faults may also contribute to this problem. Furthermore, worn or torn wiper blades can compromise visibility, making it essential to regularly inspect and maintain them. By addressing these issues quickly, you not only enhance your safety on the road but also prevent more costly repairs down the line.

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