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Service bulletins for the 1999 Cadillac Catera

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

58 on file from NHTSA, as of 2026-10-19.

About P0602 on the 1999 Cadillac Catera: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: P0602 are shown. Show all

Bulletins, newest first
CAG199900291999-08-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SOME VEHICLES MAY EXPERIENCE A DIAGNOSTIC TROUBLE CODE (DTC) P0602 AFTER AN ENGINE CONTROL MODULE (ECM) OR TRANSMISSION CONTROL MODULE (TCM) REPLACEMENT. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.