2021 Chevrolet Bolt EV Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2021 Chevrolet Bolt EV and How to Fix Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2021 Chevrolet Bolt EV cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
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 2021 Chevrolet Bolt EV cruise control isn'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.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What steps should I take to diagnose the cruise control issue in my 2021 Chevrolet Bolt EV?

When diagnosing a cruise control issue in your 2021 Chevrolet Bolt EV, it's crucial to follow a methodical approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by ensuring that the cruise control settings are properly configured and activated, as this is a common oversight. Next, inspect the cruise control buttons on the steering wheel to confirm they are functioning correctly, since any malfunction here can hinder system engagement. After that, verify the operation of the speed sensor, which is vital for cruise control functionality. Utilizing an OBD-II scanner to check for error codes can reveal any underlying problems that may not be immediately visible. Additionally, inspect the cruise control fuse to ensure it is intact and examine the wiring connections for any signs of damage or looseness. If these preliminary steps do not resolve the issue, testing the cruise control module may be necessary to confirm its proper operation. If you continue to experience difficulties, seeking assistance from a professional mechanic or dealership is recommended for a thorough diagnosis and repair. By following this structured approach, you can effectively identify and address the cruise control problem in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2021 Chevrolet Bolt EV?

When troubleshooting the cruise control system in a 2021 Chevrolet Bolt EV, it's essential to recognize the common problems that may lead to its malfunction. One significant issue could be faulty speed sensors, which are vital for the system to maintain the desired speed accurately. If these sensors fail, the cruise control may not engage or maintain speed effectively. Additionally, problems with the brake light switch can cause the system to disengage unexpectedly, as it may mistakenly detect that the brakes are being applied. Another potential culprit is a malfunctioning throttle actuator, which can impede the cruise control's ability to adjust the vehicle's speed as required. Electrical issues, such as blown fuses or wiring faults, can also disrupt the cruise control functionality, resulting in intermittent or complete failure. Lastly, software glitches within the vehicle's control module can lead to erratic behavior in the cruise control system. Given the complexity of these potential issues, consulting a qualified technician for accurate diagnosis and repair is advisable to ensure the cruise control operates smoothly.

How urgent is it to address the malfunctioning cruise control in a 2021 Chevrolet Bolt EV?

When dealing with a malfunctioning cruise control in your 2021 Chevrolet Bolt EV, it is crucial to recognize the urgency of the situation. A faulty cruise control system can lead to erratic speed changes, which not only compromises your control over the vehicle but also poses significant safety risks to you and other road users. Additionally, a malfunctioning system can negatively impact fuel efficiency, as it may fail to maintain optimal speeds for economical driving. Ignoring these symptoms can result in further complications, potentially leading to more severe mechanical issues or dangerous driving conditions. Therefore, it is essential to prioritize the diagnosis and repair of your cruise control system by a qualified technician to ensure your vehicle remains safe and performs at its best. Addressing this issue promptly will enhance your driving experience and mitigate any risks associated with a malfunctioning system.

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