# Why won't my car go into gear? **Verdict:** Drive to a shop this week - **Most common cause:** Brake light switch or shift interlock fault - **Urgency:** This week - **Typical fix:** $80-$5,500 - **Causes to check:** 5 ## Quick answer When a car will not go into gear, an automatic stuck in Park most often has a faulty brake light switch or shift interlock. Low transmission fluid, a stretched or broken shift cable, a clutch that will not release on a manual, or an internal transmission failure are the other causes. What the shifter does, stuck or moving freely, is the quickest clue. ## What is happening? Getting a car into gear involves two parts working together. The shifter, cable and sensors tell the transmission which range you want, and the transmission then uses hydraulic pressure, or on a manual a released clutch, to actually connect the engine to the wheels. Safety interlocks add a step, keeping an automatic in Park until the brake is pressed so the car cannot lurch forward. When the car will not go into gear, the fault is either in the selection side or the engagement side. A shifter that will not move out of Park usually points to the brake switch or interlock. A shifter that moves but nothing happens points to the cable, the fluid or the transmission itself. Knowing which side failed matters, because the cheapest fixes are a switch or bushing, while the most expensive is a transmission rebuild. ## What causes it? The 5 most likely reasons 1. **Brake light switch or shift interlock fault** (most common), $80-$300. Automatics will not leave Park until the car senses your foot on the brake, through the brake light switch and a shift interlock solenoid. If the switch fails or a fuse blows, the shifter stays locked even though the engine runs fine. A classic clue is that the brake lights also do not come on when you press the pedal. How to confirm: Have someone check whether the brake lights come on when you press the pedal. If they do not, or the shifter only moves using the shift lock release, the switch or interlock is likely. Fix: Replace the brake light switch, fuse or interlock solenoid. 2. **Low transmission fluid** (common), $150-$500. An automatic needs fluid pressure to apply the clutches for Drive and Reverse. When a leak drops the level, the shifter moves normally but the car engages slowly, only after revving, or not at all, often worse when cold or after sitting. Red or brown spots under the middle of the car usually go with it. How to confirm: The shifter moves and the gear display changes, but the car barely moves or engages late. The fluid level is low, or there are red drips under the car. Fix: Fix the leak and refill with the correct fluid. 3. **Stretched or broken shift cable or bushing** (common), $150-$450. A cable or linkage connects the shifter to a lever on the transmission, held on by small plastic or rubber bushings. When a bushing crumbles or the cable stretches or snaps, the shifter moves but the transmission stays in the old gear. It is common on older cars, and the gear indicator may not match what the car actually does. How to confirm: The shifter feels loose or floppy, moves too easily, or the car stays in Park or Neutral whatever position you select. A shop can see a disconnected cable underneath. Fix: Replace the shift cable or linkage bushing. 4. **Clutch not releasing on a manual** (common), $300-$2,200. On a manual transmission, the clutch has to disconnect the engine before gears can mesh. A leak in the clutch master or slave cylinder, air in the hydraulic line, or a worn or broken clutch part keeps it engaged, so gears grind or refuse to go in. The pedal may feel soft or stay on the floor. How to confirm: Gears go in easily with the engine off but grind or refuse with it running. A low clutch fluid reservoir or a soft pedal points to the hydraulics. Fix: Repair the clutch hydraulics or replace the clutch. 5. **Internal transmission failure** (less common), $250-$5,500. A failed transmission pump, broken internal part, burnt clutch packs or a bad torque converter can stop power reaching the wheels in any gear. It usually follows earlier warning signs such as slipping, harsh shifts, a burning smell or warning lights. A failed transmission range sensor or control module can mimic it by preventing the computer from selecting a gear. How to confirm: The car will not move in any gear despite correct fluid and a working cable, often with grinding or whining and transmission codes stored. Fix: Repair the sensor or module, or rebuild or replace the transmission. ## How to narrow it down at home 1. Press the brake firmly and have someone confirm the brake lights come on. Then try the shift lock release slot near the shifter to move it out of Park. 2. Watch the gear indicator as you move the shifter. If it changes but the car does not respond, check the fluid; if the shifter feels loose, suspect the cable. 3. On a manual, try selecting a gear with the engine off. Gears that go in easily then but not with the engine running point to the clutch. ## Is it safe to drive? > **Drive to a shop this week.** A car that will not engage a gear is not dangerous while parked, but do not drive it if it only engages sometimes or slips. Set the parking brake before using a shift lock override, never leave it running unattended, and have it towed if it will not engage normally. ## When does it become urgent? - The car engages a gear only sometimes, or slips out of gear while driving: stop and have it towed. - The car moves in a different direction than the gear selected: do not drive it. - You hear grinding, banging or loud whining when trying to engage a gear. - You smell burning fluid or see smoke from under the car. - A transmission warning light or limp mode comes on along with the problem. ## What will the repair cost? | Cause | Fix | Typical cost | | --- | --- | --- | | Brake light switch or shift interlock fault | Replace the brake light switch, fuse or interlock solenoid | $80-$300 | | Low transmission fluid | Fix the leak and refill with the correct fluid | $150-$500 | | Stretched or broken shift cable or bushing | Replace the shift cable or linkage bushing | $150-$450 | | Clutch not releasing on a manual | Repair the clutch hydraulics or replace the clutch | $300-$2,200 | | Internal transmission failure | Repair the sensor or module, or rebuild or replace the transmission | $250-$5,500 | Detailed breakdowns: [transmission fluid change cost](/cost/transmission-fluid-change), [clutch replacement cost](/cost/clutch-replacement), [transmission replacement cost](/cost/transmission-replacement). ## What to tell your mechanic Tell the shop whether the shifter is stuck or moves freely, whether the brake lights work, what the gear display shows, and whether the car moves in any gear. Mention leaks, recent work and warning lights. They will check the brake switch and interlock, fluid level, shift cable adjustment and bushings, read transmission codes, and check clutch hydraulics on a manual. ## How to prevent it - Fix transmission and clutch fluid leaks early, before the level gets low. - Change transmission fluid at the interval your owner's manual gives. - Set the parking brake before shifting into Park on hills to reduce strain on the shifter. - Replace a burnt-out brake light promptly and have the switch checked if lights act oddly. - Do not force a stuck shifter, which can break the cable or bushing. ## Which models get the most transmission and drivetrain complaints? | Model | Transmission and drivetrain complaints to NHTSA | All complaints | | --- | --- | --- | | [Jeep Cherokee](/vehicles/jeep-cherokee) | 3,762 | 7,486 | | [Chevrolet Silverado](/vehicles/chevrolet-silverado) | 1,987 | 7,658 | | [Ford Escape](/vehicles/ford-escape) | 1,802 | 10,274 | | [Ford Explorer](/vehicles/ford-explorer) | 1,232 | 9,238 | | [Ford Edge](/vehicles/ford-edge) | 1,189 | 5,306 | | [Hyundai Tucson](/vehicles/hyundai-tucson) | 1,136 | 5,363 | | [Chrysler Pacifica](/vehicles/chrysler-pacifica) | 1,118 | 4,083 | | [GMC Sierra](/vehicles/gmc-sierra) | 1,112 | 5,041 | | [Ram 1500](/vehicles/ram-1500) | 956 | 7,390 | | [Jeep Grand Cherokee](/vehicles/jeep-grand-cherokee) | 948 | 5,477 | Owner complaints filed with NHTSA in the transmission and drivetrain category for 2015-2026 models of 63 popular cars. Counts follow sales as well as reliability, so compare each with the model's total. ## Trouble codes that often go with it - [P0705](/codes/p0705): Transmission Range Sensor "A" Circuit (PRNDL Input) - [P0700](/codes/p0700): Transmission Control System (MIL Request) - [P0715](/codes/p0715): Input/Turbine Speed Sensor "A" Circuit - [P0750](/codes/p0750): Shift Solenoid "A" ## Frequently asked questions ### Why won't my car shift out of Park? Most often because the brake light switch or shift interlock solenoid has failed, so the car does not know you are pressing the brake. Check whether the brake lights work. A blown fuse, a broken shift cable or a car parked hard against the parking pawl on a hill can also cause it. ### How do I use the shift lock release? Most automatics have a small slot or button near the shifter, sometimes under a cap. With the parking brake set and your foot on the brake, push a key or screwdriver into the slot and move the shifter. Use it only to move the car to safety or onto a tow truck. ### How much does it cost to fix a car that won't go into gear? It ranges from about 80 to 300 dollars for a brake light switch or interlock to 150 to 450 dollars for a shift cable. Clutch hydraulic repairs run 300 to 800 dollars, and a clutch or transmission replacement can cost 1,000 to 5,500 dollars at an independent shop. ### Why does my car go into gear but not move? If the gear display changes but the car does not move, the most likely causes are low transmission fluid, a broken shift cable or bushing, or an internal failure such as a dead transmission pump. On front-wheel-drive cars, a broken CV axle can also stop power reaching a wheel. ### Can low transmission fluid stop the car from going into gear? Yes, an automatic needs fluid pressure to engage Drive and Reverse. With low fluid, the car may engage slowly, only after revving, or not at all. It is often worse when cold. Check the level the way your manual describes and look for red drips under the car. ### Why won't my manual car go into gear with the engine running? Because the clutch is not fully disconnecting the engine. Common causes are a leaking clutch master or slave cylinder, air in the clutch line, or a worn clutch part. If gears go in easily with the engine off but grind with it running, the clutch is almost always the problem. ### Can a bad brake light switch keep the car in Park? Yes, many automatics use the brake light switch to release the shift interlock. If the switch fails, the brake lights usually stop working too, and the shifter stays locked in Park. It is a cheap part, often 80 to 300 dollars installed, and should be fixed for safety. ### What is a transmission range sensor? It is a switch on the transmission that tells the computer which gear the shifter has selected. When it fails, the car may not start in Park, the gear display may be wrong, or the transmission may not engage correctly. It often sets code P0705 and costs a few hundred dollars to replace. ### Is it safe to drive if the car is hard to put in gear? Not if it engages unpredictably, slips or pops out of gear, because the car could roll or lose drive in traffic. If it goes into gear normally once moving but is stiff to shift, drive gently to a shop. Never leave it running unattended while the shifter is acting up. ### Can I fix a car that won't go into gear myself? Sometimes, yes. Replacing a blown fuse, a brake light switch or a shift cable bushing is manageable for many DIYers with basic tools. Adding the correct fluid is simple if your car has a dipstick. Clutch hydraulics and internal transmission repairs are usually jobs for a shop. ## Sources - [Car Care Council: Car care guide](https://www.carcare.org/car-care-guide/) - [AAA: Approved Auto Repair](https://www.aaa.com/autorepair/) - [NHTSA: Check for recalls by VIN](https://www.nhtsa.gov/recalls) ## Other car problems - [Why is my car leaking transmission fluid?](https://diagxcar.com/symptoms/car-leaking-transmission-fluid) - [Why is my transmission slipping?](https://diagxcar.com/symptoms/transmission-slipping) - [Why does my car whine when I accelerate?](https://diagxcar.com/symptoms/whining-noise-when-accelerating) - [Why won't my car start?](https://diagxcar.com/symptoms/car-wont-start) - [Why does my car stall while driving?](https://diagxcar.com/symptoms/car-stalls-while-driving) - [Why does my car make a clicking noise when I turn?](https://diagxcar.com/symptoms/clicking-noise-when-turning) - [Why does my car smell like rotten eggs?](https://diagxcar.com/symptoms/car-smells-like-rotten-eggs) - [Why is my engine knocking?](https://diagxcar.com/symptoms/engine-knocking-noise) - [Why does my car smell like gas?](https://diagxcar.com/symptoms/car-smells-like-gas) - [Why are my headlights flickering?](https://diagxcar.com/symptoms/headlights-flickering) ## Repair costs - [Transmission fluid change cost](https://diagxcar.com/cost/transmission-fluid-change): $120-$350 - [Clutch replacement cost](https://diagxcar.com/cost/clutch-replacement): $1,000-$2,500 - [Transmission replacement cost](https://diagxcar.com/cost/transmission-replacement): $2,500-$7,000 ## How long parts last - [How often should you change your transmission fluid?](https://diagxcar.com/how-often/change-transmission-fluid): 30,000-100,000 miles - [How long do transmissions last?](https://diagxcar.com/how-long/transmission): 150,000-200,000 miles ## Trouble codes that lead here - [P0705 Transmission Range Sensor "A" Circuit (PRNDL Input)](https://diagxcar.com/codes/p0705) - [P0731 Gear 1 Incorrect Ratio](https://diagxcar.com/codes/p0731) --- Source page: https://diagxcar.com/symptoms/car-wont-go-into-gear Updated: 2026-11-03 General information, not a substitute for a qualified mechanic.