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Service bulletin CAG19990029

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id605964
Published by NHTSA1999-08-04
Manufacturer's numberCAG19990029
Manufacturer's date1999-06-22
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

SOME VEHICLES MAY EXPERIENCE A DIAGNOSTIC TROUBLE CODE (DTC) P0602 AFTER AN ENGINE CONTROL MODULE (ECM) OR TRANSMISSION CONTROL MODULE (TCM) REPLACEMENT. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission, Transmission control module

Trouble codes named

P0602

Vehicles listed
CADILLAC CATERA1999

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PIP53462017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick connect verses inverted flare. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
010730033A2002-06-25. Service bulletin. INFORMATION REGARDING THE 4L30-E AUTOMATIC TRANSMISSION SERVICE POLICY PROCEDURE. *SLC