WenmarOpen by Wenmar Pro

Service bulletin PIT-4847

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 id10030245
Published by NHTSA2009-09-02
Manufacturer's numberPIT-4847
Manufacturer's date2010-06-01
ReplacesPIT-4847A
NHTSA componentSERVICE BRAKES, HYDRAULIC

NHTSA's summary

CADILLAC/CHEVROLET/GMC: SERVICE BRAKE SYSTEM MESSAGE ON WITH DTCS C012E, C12FE. CONCERNS AFTER QUICKLY SHIFTING OUT OF THE PARK POSITION. INCLUDE HYBRIDS:TAHOES, SILVERADOS, SIERRAS AND YUKONS. *PE UPDATED 6/8/10. *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

Brakes

Trouble codes named

C012E, C12FE

Vehicles listed
CADILLAC ESCALADE2009
CHEVROLET SILVERADO2009
CHEVROLET TAHOE HYBRID2009 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA2009
GMC YUKON HYBRID2009 (the catalog's model; the bulletin names a series or trim of it)

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
PIT5120A2023-12-26. Service bulletin. Stabilitrak/Traction Control OFF With Red Brake Warning Lamp
PIT4729E2023-12-26. Service bulletin. Adding Integrated Trailer Brake Controller RPO JL1.
PIT5161B2023-12-11. Service bulletin. Bump Feel Or Clunk Noise After A Stop.
PIT4729E2023-11-20. Service bulletin. Adding Integrated Trailer Brake Controller RPO JL1.
23-NA-1442023-09-15. Service bulletin. This technical bulletin provides information and a solution to a condition of Brake Pedal Moves or Self Applies at Full Turns.
PIT3665L2022-11-21. Service bulletin. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
15-00-89-004E2022-10-11. Service bulletin. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
070316004D2022-06-13. Service bulletin. This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
PIP4723F2022-02-14. Service bulletin. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
PIT4595J2021-06-14. Service bulletin. This PI communicates diagnostic tips to help dealership diagnosis a service trailer brake message with DTC C1114 and C1112.