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Service bulletin TSB-PIC-5056

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 id10028174
Published by NHTSA2009-03-12
Manufacturer's numberTSB-PIC-5056
Manufacturer's date2009-08-01
ReplacesTSB-PIC-5056A
NHTSA componentELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

GENERAL MOTORS: VARIOUS ELECTRICAL CONCERNS (INSP HARNESS UNDER UBEC BRACKET). MAY EXPERIENCE ONE OR MORE OF THE FOLLOWING: WILL NOT CRANK OVER AND START; TRANSMISSION SHIFTS HARD; DOOR LOCKS CYCLE WHILE DRIVING. *PE UPDATED 3/15/10. *PE

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

Electrical system, Software

Vehicles listed
CADILLAC CTS2008, 2009

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

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