Service bulletin 4016

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)
Type	Service bulletin
NHTSA id	10020967
Published by NHTSA	2007-02-02
Manufacturer's number	4016
Manufacturer's date	2006-10-19
Replaces	4016B
NHTSA component	ELECTRICAL SYSTEM:IGNITION:SWITCH

NHTSA's summary

DELAYED OR EXTENDED CRANKING DTC P1682. *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

Electrical system, Ignition

Trouble codes named

P1682

Vehicles listed
BUICK LUCERNE	2006, 2007
CADILLAC DTS	2006, 2007
CADILLAC ESCALADE	2007
CHEVROLET AVALANCHE 1500	2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 2500	2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET IMPALA	2006, 2007
CHEVROLET SILVERADO 1500	2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 2500	2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 3500	2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 1500	2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE	2007
GMC SIERRA 1500	2007 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 2500	2007 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 3500	2007 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON	2007

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

Recalls for the same vehicles and component
14V355000	2014-06-23. ELECTRICAL SYSTEM:IGNITION

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
14299D	2024-01-16. Service bulletin. Unintended Ignition Key Rotation
PIT5185	2023-12-26. Service bulletin. Computer-Controlled Cranking System (Bump Start) Inoperative.
PIT5209	2023-12-11. Service bulletin. Unwanted Alarm Sounding (GM Accessory Inclination Sensor Mounting)
14299A	2023-12-04. Service bulletin. Unintended Ignition Key Rotation
PIC5650K	2023-06-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIT4376J	2018-05-21. Service bulletin. This Preliminary Information communication advises the technician about key and theft information for Fleet Vehicles equipped with RPO 6E2 or 6E8 and converting to fleet mode. Technician will need to ensure fleet vehicles with RPO 6E2 or 6E8 should be checked to verify that the Theft Deterrent Module is in fleet mode prior to attempting to add keys.
PI1018A	2017-08-15. Service bulletin. This preliminary informational bulletin adds the 2015 model year to repair information on correcting a customer concern of poor, limited, reduced Remote Keyless Entry (RKE) or Remote Vehicle Start (RVS) range.
PIT4813C	2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles with a "Service Charging System" message displayed on the Driver Information Center and/or a low voltage reading on the volt gauge during the first several minutes after a cold start. Technician may find a Diagnostic Trouble Code B1517 sym 03. If this concern only occurs during the first several minutes of a cold start, no repairs should be made. Dealer should communicate to the customer that this is normal operating characteristic of vehicles equipped with the diesel engine.
PIT5185	2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that if the ignition key is turned to the start position, and then released when the engine begins cranking, the engine will continue cranking for a few seconds or until the vehicle starts. Some customers may state that this feature is inoperative. Technician should be advised that if the Low Fuel warning lamp is on and/or the FUEL LEVEL LOW message is displayed in the Driver Information Center, the Computer?Controlled Cranking System will be disabled.
09184C	2017-01-24. Service bulletin. "09184C - CUSTOMER SATISFACTION PROGRAM (REVISED SERVICE PROCEDURE). THIS BULLETIN HAS BEEN REVISED TO CLARIFY STEP 5 OF THE SERVICE PROCEDURE. CERTAIN 2007-2009 MODEL YEAR CHEVROLET SILVERADO AND GMC SIERRA VEHICLES CURRENTLY OR PREVIOUSLY REGISTERED IN ALASKA, CONNECTICUT, DELAWARE, DISTRICT OF COLUMBIA, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, AND WISCONSIN MAY HAVE A CONDITION IN WHICH THE SENSING AND DIAGNOSTIC MODULE (SDM) MAY CORRODE DUE TO A SIGNIFICANT QUANTITY OF SNOW AND/OR WATER CONTAINING ROAD SALT OR OTHER CONTAMINANTS ENTERING THE VEHICLE AND SATURATING THE ACOUSTICAL PADDING BENEATH THE CARPET. THE SDM IS LOCATED UNDER THE DRIVER’S SEAT BENEATH THE ACOUSTICAL PADDING. IF SUFFICIENT MOISTURE COLLECTS AND IS RETAINED IN THE PADDING, IT MAY CAUSE EXCESSIVE CORROSION UNDER THE SDM THAT COULD COMPROMISE THE MODULE SEAL AND ALLOW WATER INTRUSION THAT COULD RESULT IN SDM MALFUNCTION. IF THIS CONDITION EXISTS, THE AIRBAG READINESS LIGHT OR A “SERVICE AIRBAG"" MESSAGE ON THE DRIVER INFORMATION CENTER (DIC) MAY ILLUMINATE. IN RARE CASES, THE VEHICLE MAY CONTACT ONSTAR® AND THE SEAT BELT PRETENSIONERS OR FRONT AIRBAGS MAY DEPLOY. DEALERS ARE TO REMOVE THE ACOUSTICAL PAD ABOVE THE SDM, INSPECT THE SDM, AND REPLACE THE SDM, IF NECESSARY."