You most likely have a faulty brake light switch. While it seems like your transmission and brake lights aren’t related, they are; there’s a switch attached to the brake pedal which activates your lights when depressed, and the same switch activates a solenoid on your shifter to allow you to shift out of park.
How do I know if my shift interlock solenoid is bad?
If the shift interlock solenoid has gone bad, the vehicle will not shift out of park, even with your foot on the brake pedal. This is a big problem because you will not be able to drive your vehicle anywhere. If this occurs, most vehicles have a shifter release.
Why is my gear shift not moving?
The most common cause is the brake/shift interlock, discussed in the next section. Another cause is too much force applied by the park gear. Parking on an incline may cause our shifter to stick in the park position. If we release our brakes, after we shift into park position, the vehicle may roll.
Is there a fuse for shift solenoid?
Most modern vehicles have some sort of transmission control module that monitors the transmission through various sensors, such as the shift-position sensor and the transmission speed sensor. Additionally, the TCM and solenoid wiring are protected by fuses.
How much does it cost to replace the shift interlock solenoid?
The average cost for auto trans brake shift interlock solenoid replacement is between $194 and $218. Labor costs are estimated between $95 and $119 while parts are priced at $99.
What happens when a shift solenoid goes bad?
Inability to Downshift
In some cases, a faulty solenoid may result in a transmission that is able to move upward from gear to gear without a problem but then the transmission cannot shift back down. In other words, you will not notice any odd behavior while accelerating, only when decelerating.
