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Service bulletin PI-0100A

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 id10039485
Published by NHTSA2011-08-01
Manufacturer's numberPI-0100A
Manufacturer's date2011-06-01
NHTSA componentELECTRONIC STABILITY CONTROL (ESC); ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

NHTSA's summary

GM: 2006-2011 HHR. THE ELECTRONIC STABILITY CONTROL LIGHT IS ON WITH A STORED TROUBLE CODE. THE STABILITY CONTROL WILL BE INOPERATIVE DUE TO THE TIRES OR AIR PRESSURE SENSORS. *RM

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

Driver assistance

Vehicles listed
CHEVROLET HHR2006, 2007, 2008, 2009, 2010, 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
070601016G2022-06-13. Service bulletin. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
PI0938A2018-06-11. Service bulletin. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
060089026N2018-06-04. Service bulletin. This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
080730026D2018-05-07. Service bulletin. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
10-00-89-006C2018-04-16. Service bulletin. This informational bulletin provides directions on submitting different PIRs
10-08-98-002A2017-08-15. Service bulletin. This information bulletin explains the use of drilling high strength steel in a collision repair and the GM recommended CryoCobalt Drill bit.
TB-11-05-25-0012011-06-30. Service bulletin. GM: 2009-2011 HHR. A SERVICE ELECTRONIC STABILITY CONTROL MESSAGE IS ON AND THERE MAY BE A STORED TROUBLE CODE. THIS CAN BE CAUSED BY THE STEERING WHEEL BEING INADVERTENTLY RECALIBRATED OR THE STEERING SENSOR BEING OUT OF ALIGNMENT. *RM
PIE-0070B2011-03-10. Service bulletin. CHEVROLET: ENGINEERING INFORMATION-ELECTRONIC STABILITY CONTROL (ESC) MESSAGE DISPLAYED IN DRIVER INFORMATION CENTER (DIC), DTC C046 SET. ENGINEERING ATTEMPTING TO DETERMINE ROOT CAUSE OF THE ESC MESSAGE. *PE UPDATED 6/6/11. *PE