# P0602 on the 1999 Cadillac Catera

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.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0602

- [605964](https://open.wenmarpro.com/bulletins/605964), 1999-08-04: SOME VEHICLES MAY EXPERIENCE A DIAGNOSTIC TROUBLE CODE \(DTC\) P0602 AFTER AN ENGINE CONTROL MODULE \(ECM\) OR TRANSMISSION CONTROL MODULE \(TCM\) REPLACEMENT. \*TT