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Service bulletin PI1164B

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 id10201124
Published by NHTSA2021-09-07
Manufacturer's numberPI1164B
Manufacturer's date2015-12-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM; STRUCTURE:BODY:HOOD; POWER TRAIN

NHTSA's summary

Reduced Engine Power with Service engine message displayed and DTC P2263 Set

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame, Engine, Transmission and driveline, Cooling system

Trouble codes named

P2263

Vehicles listed
CHEVROLET EXPRESS2011, 2012, 2013, 2014, 2015, 2016
GMC SAVANA2011, 2012, 2013, 2014, 2015, 2016

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
18NA1032020-11-30. Service bulletin. This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated.
PIP5684B2020-08-10. Service bulletin. This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
19NA1042019-07-29. Service bulletin. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
PI1164A2018-12-10. Service bulletin. This preliminary bulletin provides information on how to check for ice and/or snow build up and to install a radiator cover to correct the customers concern of reduced engine power and service engine message on.
PIP51522016-04-26. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP-48952011-06-24. Service bulletin. GM: THERE MAY BE COMPLAINTS THAT THE LOW COOLANT LIGHT IS ON, LOSS OF COOLANT, OR EXCESSIVE PRESSURE. THERE ARE NO EXTERNAL LEAKS. *RM