2017-2023 Bolt EV Power Window Motor: Failure Symptoms and Replacement Guide

Symptoms of a Failing Bolt EV Window Motor

When a power window motor begins to fail, it usually provides several warning signs. Being aware of these symptoms can help you diagnose the problem before the window gets stuck open or closed. The most common problems are related to the electrical system, the motor itself, or the window regulator that the motor drives.

• Slow or Erratic Window Movement: The window may move noticeably slower than it used to, or it might stop and start while moving.
• Grinding or Clicking Noises: Hearing a grinding, clicking, or chattering sound from inside the door when you operate the window often points to a problem with the motor's internal gears or the connected regulator.
• Window Doesn't Move, But Motor Clicks: If you hear a click or a whirring sound from the motor when you press the switch, but the window doesn't move, the motor is receiving power but has likely failed internally or the regulator is broken.
• No Sound or Movement: Complete silence when pressing the switch can indicate a dead motor, a blown fuse, a bad switch, or a wiring issue.
• Window Drops Inside Door: While often a sign of a broken window regulator cable, a failed motor gear can also cause the window to lose its support and fall into the door panel.
• "Open and Close Passenger Window" Message: Some Bolt EV owners have reported a persistent message on the driver information center prompting them to cycle the passenger window. This can be an indicator of a fault within the passenger window motor itself.

Known Issues, Recalls, and Technical Service Bulletins (TSBs)

While the power window motor itself is not subject to any specific recalls, the Chevrolet Bolt EV has had several significant recalls for other issues. Notably, all 2017-2022 Bolt EVs were recalled for a battery fire risk. Other recalls for this generation include issues with seat belt pretensioners that could cause a fire after deployment and an instrument panel defect that could prevent the passenger airbag from deploying correctly. It's always wise to check if your vehicle has any open recalls by entering your VIN on the NHTSA website.

The most significant known issue related to this part is the requirement for programming after replacement. GM documentation confirms that the motor requires special setup procedures to ensure the auto-up/down and anti-pinch features work correctly. This is not a defect, but a required step of the repair process.

Buying a Used 2017-2023 Bolt EV Power Window Motor

Purchasing a used OEM power window motor can be a cost-effective alternative to buying a new part from a dealer. OEM (Original Equipment Manufacturer) parts are designed by Chevrolet and offer the same fit and quality as the one your car was built with. This is often a better choice than a new aftermarket part, which may not have the same durability or precise fitment.

What to Inspect:

• Check the Connector: Ensure the electrical connector and its pins are clean, straight, and free of any corrosion or damage. The Bolt EV uses a 7-pin connector for these motors.
• Look for Physical Damage: Inspect the motor housing for any cracks, and check the gear spline for excessive wear or stripping.
• Ask About Testing: Ask the seller if the part was tested before being removed from the vehicle. A reputable recycler will be able to confirm its operational status.
• Verify Part Numbers: There are several OEM part numbers for this vehicle range. While they may be interchangeable, it's best to match the part number from your original motor or verify fitment using the vehicle's VIN.

Cost Comparison: New vs. Used

The cost of replacing a power window motor can vary significantly based on the type of part you choose and whether you perform the labor yourself.

Replacement Overview & Programming

Replacing the power window motor is a moderately difficult job that a DIYer with some experience can typically complete in 1-2 hours. The basic process involves removing the interior door panel, peeling back the vapor barrier, and accessing the motor.

In the Bolt EV, the motor can be unbolted from the window regulator assembly. Be careful not to let the regulator's cable spool unwind when the motor is removed, as this will create a much more difficult repair.

Window Initialization (Relearn) Procedure

After the new motor is installed and the battery is reconnected, you must initialize the window for the automatic functions to work. This procedure teaches the control module the fully open and fully closed positions.

1. Turn the ignition to the “ON” position (do not start the car).
2. Using the switch for the replaced window, press and hold the switch down until the window is fully open.
3. Continue holding the switch down for 2-5 seconds after the window is fully open, then release.
4. Pull and hold the switch up until the window is fully closed.
5. Continue holding the switch up for 2-5 seconds after the window is fully closed, then release.
6. Test the auto-up/down function. If it works, the procedure is complete. If not, repeat the steps.
🎬 Watch how to reset and re-initialize your automatic windows

OEM Part Numbers

The following is a list of known OEM part numbers for the 2017-2023 Chevrolet Bolt EV. Note that some parts are specific to a certain door (e.g., front right, rear left). Always verify fitment with your vehicle's VIN.

• 42339894
• 42414501
• 42518898
• 42518900
• 42518901
• 42614094
• 42614095
• 42614096
• 84513460 (This is often listed as a switch, but sometimes cross-references with motor assemblies)

Frequently Asked Questions (FAQ)