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Service bulletin PIT-4563

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 id10024284
Published by NHTSA2008-04-02
Manufacturer's numberPIT-4563
Manufacturer's date2011-05-01
ReplacesPIT-4563F
NHTSA componentSERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT

NHTSA's summary

ABS LIGHT ON DTC C0561 STORED IN THE EBCM. WITH RPO HP2. HYBRID ONLY. *NJ UPDATED 12/3/08. *PE UPDATED 8/19/09. *PE UPDATED 6/27/11. *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, Anti-lock brakes

Trouble codes named

C0561

Vehicles listed
CADILLAC ESCALADE2009
CHEVROLET SILVERADO2009
CHEVROLET TAHOE2009
GMC SIERRA2009
GMC YUKON2008, 2009

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
PIT3271J2019-12-09. Service bulletin. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIT4225F2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have an Antilock Braking System lamp followed by a Service Stability message in the Drivers Information Center. Technician my find Diagnostic Trouble Code C0710 set in the Electronic Brake Control Module. Technician may or may not find Diagnostic Trouble Code C0455. Technician will need to ensure the steering wheel is properly installed to the steering shaft.
PIP-49662011-12-06. Service bulletin. CHEVROLET/CADILLAC/GMC: CERTAIN VEHICLES EXPERIENCING ERRATIC OR INOPERATIVE SPEEDOMETER OR ANTI-LOCK BRAKE SYSTEM MESSAGE OR MALFUNCTIONING INDICATOR LIGHT DISPLAYING IN DRIVER'S INFORMATION CENTER. *PE UPDATED 08/5/2013 *JS
PIT-48532009-11-11. Service bulletin. CADILLAC/CHEVROLET/GMC: CONCERNS REGARDING VEHICLES NO CRANK; LOSS OF HIGH SPEED LAN OR MULTIPLE U CODES IN SEVERAL MODULES; LOSS OF THE POWERTRAIN EXPANSION BUS OR MULTIPLE U CODES IN SEVERAL HYBRID MODULES; SES LAMP, SERVICE BRAKE SYSTEM MESSAGE, SERVICE HYBRID SYSTEM, ETC. *PE UPDATED 3/15/10. *PE UPDATED 3/29/10. *PE
PIT-47152008-12-05. Service bulletin. GMC: ABS AND BRAKE LAMP AND MULTIPLE DTC'S. FOR HYBRID VEHICLES ONLY. *PE UPDATE 6/12/09. *PE
PIT44112007-12-11. Service bulletin. UNWANTED ABS OR VALVE ACTIVATION ON LOW SPEED TURNS. WITH STABILITRAC (RPO JL4). *NJ UPDATED 4/1/08. *NJ
PIT-40562007-09-20. Service bulletin. GMC: UNABLE TO COMMUNICATE WITH THE EBCM DTC U0121. *NJ VEHICLES EQUIPPED WITH JL4. UPDATED 9/30/08. *PE UPDATED 6/27/11. *PE UPDATED 4/6/12. *PE