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Service bulletin PIT-5023

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 id10036224
Published by NHTSA2011-03-12
Manufacturer's numberPIT-5023
Manufacturer's date2010-08-01
NHTSA componentSERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

NHTSA's summary

GMC?CHEVROLET: LOWER THAN NORMAL BRAKE PEDAL FEEL BEFORE OR AFTER A MASTER CYLINDER REPLACEMENT. DURING DIAGNOSIS A DTC C027B MAY BE FOUND STORED IN EBCM. *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

C027B

Vehicles listed
CHEVROLET EQUINOX2010, 2011
GMC TERRAIN2010, 2011

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
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.
PIT5171C2023-12-26. Service bulletin. Service Stability, Traction, ABS Rear Wheel Speed DTC Or Chassis Expansion
PIT5171B2023-12-26. Service bulletin. Service Stability Traction ABS Rear Wheel Speed.
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)
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.
21-NA-0432022-06-02. Service bulletin. This informational 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.
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.