WenmarOpen by Wenmar Pro

Service bulletin PIT4844E

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 id10245318
Published by NHTSA2023-11-20
Manufacturer's numberPIT4844E
Manufacturer's date2013-10-01
NHTSA componentVEHICLE SPEED CONTROL:CRUISE CONTROL

NHTSA's summary

Adding Cruise Control (RPO K34)

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

Throttle and cruise control

Vehicles listed
CHEVROLET EXPRESS2008, 2009, 2010, 2011, 2012, 2013, 2014
CHEVROLET SILVERADO 15002007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA2008, 2009, 2010, 2011, 2012, 2013, 2014
GMC SIERRA 15002007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
14V3450002014-06-18. EQUIPMENT; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

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
10-08-110-001L2025-02-11. Service bulletin. This service bulletin provides information on proper use of floor mats.
PIT51842023-12-26. Service bulletin. Various Concerns Related To The IP Backlighting Cruise Control Steering Wheel Controls Horn.
PIT4844E2023-12-26. Service bulletin. Adding Cruise Control (RPO K34)
PIT4508C2023-12-26. Service bulletin. Cruise Control Inoperative.
PIT51842023-12-11. Service bulletin. Various Concerns Related To The IP Backlighting Cruise Control Steering Wheel Controls Horn.
PIT5122D2023-12-11. Service bulletin. Stability Message Low Power Brake Light And Cruise Control Operation.
130089004H2023-12-11. Service bulletin. Car and Truck Fix it Right the First Time Issues
11273A2023-12-11. Service bulletin. Special Coverage Adjustment ? Throttle Position Sensor Replacement
PIT4508C2023-11-20. Service bulletin. Cruise Control Inoperative.
PIT5082B2022-12-12. Service bulletin. This Preliminary Information communication provides information to the technician about vehicle HVAC system does not always respond to requests for changes in air delivery or temperature from the HVAC controls. The technician may find that the HVAC control module will communicate with the scan tool but the HVAC door data actual counts will read 0 counts. The dealer is directed to ensure there is 12V on circuit 300 at HVAC control module before replacing module.