WenmarOpen by Wenmar Pro

Service bulletin PIT-5058

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 id10037811
Published by NHTSA2011-06-06
Manufacturer's numberPIT-5058
Manufacturer's date2012-09-01
ReplacesPIT-5058-B
NHTSA componentSERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING: LAMP; SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH

NHTSA's summary

CHEVROLET/GMC: INFORMATION ON TESTING THE SCHOOL BUS BRAKE WARNING SYSTEM. *RM MODELS 2008-2013 EXPRESS CUTAWAY/CARGO CHASSIS; SAVANA CUTAWAY/CARGO CHASSIS. UPDATED 11/28/12. *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

Vehicles listed
CHEVROLET EXPRESS2010, 2011
GMC SAVANA2010, 2011

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

Recalls for the same vehicles and component
20153522015-08-05. Brakes
20111882011-05-06. Brakes
11V2750002011-05-06. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
21-NA-0432024-12-10. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
PIP5596A2024-04-15. Service bulletin. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
PIT4648D2023-12-26. Service bulletin. ABS Light and/or Service Stability Message On With DTC C0045 and/or C0050.
120232002A2023-12-04. Service bulletin. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Pressure Hose During Extreme Low Temperature Operation (Replace Power Steering Fluid)
PIT5058B2023-11-20. Service bulletin. School Bus Brake Warning System RPO UJ1 Functional Test And Diagnostics.
PIT4648D2023-11-20. Service bulletin. ABS Light and/or Service Stability Message On With DTC C0045 and/or C0050.
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.