Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Window Motor Programming - Express Function: Notes
A Window Motor That Has Not Been Normalized May No Longer Perform The Express Up Functions Or May Not Index Up When The Door Is Closed, This May Occur During The Following Conditions:
- When A Window Motor Has Been Disconnected Or Replaced
- When A Door Harness Has Been Disconnected
When The Battery Has Been Disconnected Or Replaced, All Window Motors May No Longer Perform The Express Up Functions
When DTC B1956 55, B1957 55, B1958 55, B1959 55 Are Set, The Following Warnings Will Be Displayed On The Driver Information Center:
- Open, Then Close Driver Window
- Open, Then Close Passenger Window
These Warnings Will Clear Once The Windows Have Been "Normalized" And The Respective DTC Will Clear.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.