# C1203 on the 2003 Toyota 4Runner

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name C1203

- [10005760](https://open.wenmarpro.com/bulletins/10005760), 2004-03-15: VSC LIGHT ON CONDITION WITH DIAGNOSTIC TROUBLE CODE C1203 IN THE SKID CONTROL COMPUTER MEMORY. A MODIFICATION TO THE SKID CONTROL COMPUTER LOGIC HAS BEEN MADE TO PREVENT THIS CONDITION. \*TT