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Service bulletin CSP-15801

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 id10078770
Published by NHTSA2016-08-18
Manufacturer's numberCSP-15801
Manufacturer's date2016-04-12
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

15801 – CUSTOMER SATISFACTION PROGRAM. VEHICLES EQUIPPED WITH THE DURAMAX DIESEL ENGINE OPTION AND THE AMBULANCE UPFITTER OR FIRE TRUCK UPFITTER OPTION MAY HAVE A CONDITION IN WHICH THE EMISSION CONTROL SYSTEM AS DESIGNED WILL LIMIT SPEED UNDER CERTAIN CONDITIONS. THE EPA HAS APPROVED GENERAL MOTOR’S REQUEST TO REMOVE THE EMISSION CONTROL SYSTEM SPEED LIMITATIONS ON THESE EMERGENCY VEHICLES WHERE APPLICABLE. DEALERS ARE TO REPROGRAM THE ENGINE CONTROL MODULE (ECM) WITH NEW CALIBRATION FOR EMERGENCY VEHICLES, WHICH WILL REMOVE THE EMISSION CONTROL SYSTEM SPEED LIMITATIONS, AND ALSO PROVIDE AN EARLIER WARNING FOR DIESEL PARTICULATE FILTER (DPF) REGENERATION.

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

Engine, Equipment and accessories, Exhaust and emissions

Vehicles listed
CHEVROLET EXPRESS2010, 2011, 2012, 2013, 2014, 2015, 2016
CHEVROLET SILVERADO 25002011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO HD2016 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 25002010 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 25002014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002011, 2012 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002015 (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
20182122018-04-27. Accessories
18V2670002018-04-26. EQUIPMENT
13V5440002015-10-30. EQUIPMENT:OTHER:LABELS
20145772014-12-18. Engine
14V7060002014-11-05. EQUIPMENT ADAPTIVE/MOBILITY
14V3450002014-06-18. EQUIPMENT; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
20142162014-06-06. Accessories
20140052014-01-13. Engine
14V0070002014-01-13. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
12V1690002012-04-17. EQUIPMENT ADAPTIVE/MOBILITY

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
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22-NA-0802025-10-16. Service bulletin. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
15-NA-0102025-07-07. Service bulletin. This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
25-NA-0522025-04-28. Service bulletin. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
25-NA-0522025-04-10. Service bulletin. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
22-NA-0742025-02-12. Service bulletin. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
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.
20-NA-1662025-01-23. Service bulletin. This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
09-06-04-026Z2025-01-23. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.