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Service bulletin PIP-4478A

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 id10034431
Published by NHTSA2010-11-15
Manufacturer's numberPIP-4478A
Manufacturer's date2011-03-01
ReplacesPIP-4478C
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; WHEELS

NHTSA's summary

BUICK/CHEVROLET/GMC/PONTIAC/SATURN/SUZUKI: ALL WHEEL DRIVE SYSTEM INOPERATIVE AND DTC C0550 SET. VARIOUS CONCERNS MAY BE RELATED TO A LOW BATTERY SUCH AS BUT NOT EXCLUSIVE TO A NO CRANK OR SLOW ENGINE CRANK CONCERNS OR MAY HAVE RECENTLY HAD TO HAVE THE VEHICLE JUMP STARTED. THIS MAY OCCUR DUE TO LOW VOLTAGE PRESENCE IN THE SYSTEM. *PE UPDATED ON 06/16/2011. *KB

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

Equipment and accessories, Labels and manuals, Wheels

Trouble codes named

C0550

Vehicles listed
BUICK ENCLAVE2008, 2009, 2010, 2011
CHEVROLET EQUINOX2007, 2008, 2009, 2010, 2011
CHEVROLET TRAVERSE2009, 2010, 2011
GMC ACADIA2007, 2008, 2009, 2010, 2011
GMC TERRAIN2010, 2011
PONTIAC TORRENT2007, 2008, 2009
SATURN OUTLOOK2007, 2008, 2009
SATURN VUE2008, 2009
SUZUKI XL72007, 2008, 2009

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

Recalls for the same vehicles and component
20101892010-06-07. Accessories

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
25-NA-1562025-12-04. Service bulletin. This service bulletin provides information on Tire Sidewall Irregularities.
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.
PI0572B2024-05-06. Service bulletin. Information on COAX Repair Kit Availability.
00-03-10-006P2024-05-01. Service bulletin. This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
PI0731A2024-04-29. Service bulletin. Spare Tire Jack Storage Compartment Door Difficult to Latch or Falls Open Due to Inability to Latch.
20-NA-1322024-04-23. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
17-NA-0522024-04-23. Service bulletin. This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
20-NA-1322024-04-05. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT53532024-04-01. Service bulletin. XM Audio Traffic And Travel Link Availability And Operation.