Common symptoms of a problem with an automatic or manual transmission include the following:

Common Symptoms:
Automatic Transmissions

• Trouble shifting gears
• Transmission seems to be slipping
• Noise in the transmission
• Transmission fluid leaking
• Vehicle is not moving
• Check engine light
  

Common Symptoms:
Manual Transmissions

• Trouble shifting gears
• Pops out of gear
• Grinding
• Clutch slipping
• Noise when shifting gears
  

If your vehicle is having a problem other than the symptoms shown above, click here for a detailed Transmission Troubleshooting Guide