Seems to be a general tranny code. You'll have to get some diagnostics to find out more... UNLESSS...
You give us more info. Any symptoms when the light came on? Things such as:
1. Odd or unusual sounds 2. Lack of acceleration 3. Hard shifts or shifting late 4. Really soft shifts & high rpms 5. Acting funny only in certain gears 6. OK in reverse 7. Fluid leaking 8. Fluid level high or low 9. Fluid smells burned or looks brown rather than red 10. Acts odd only sometimes or all the time