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GMC Sierra 1500 Key Won't Turn

Learn if it's a simple fix or time to seek out a trusted technician.

What are common reasons my GMC Sierra 1500 key won't turn?

While there are a variety of reasons your GMC Sierra 1500 key won't turn, the most common 3 are a binding steering column/lock, an ignition switch issue, or a problem with the ignition key.
35%
of the time it's
Binding Steering Column/Lock
27%
of the time it's
Ignition Switch
20%
of the time it's
Ignition Key

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Related GMC Sierra 1500 Problems

Find the most common driver-reported problems that are to blame when a GMC Sierra 1500 key won't turn.
The 4wd transfer case encoder MOTOR position sensor or the selector switch may fail causing the service 4wd message ...

GMC Sierra 1500 Key Won't Turn Repair Symptoms

When the electrical portion of the ignition switch fails, the vehicle will permanently or intermittently lose power to certain systems and components, depending on which positio...Read More
When the ignition switch lock cylinder fails, it can create a situation where the ignition cannot be turned, or takes much wiggling and shaking before it finally turns. Or, it's...Read More
A failing ignition cap on rotor will create misfires in the engine, and lead to hesitation, extreme power loss, engine stalling, poor fuel mileage, and illumination of the check...Read More