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Service bulletin 110501

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 id619790
Published by NHTSA2001-06-29
Manufacturer's number110501
Manufacturer's date2001-05-11
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

SOME CUSTOMERS MAY COMMENT THAT THE INTERIOR AND / OR THE EXTERIOR LAMPS VARY IN INTENSITY (FLICKER). *TT

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

Vehicles listed
CHEVROLET IMPALA2000, 2001
CHEVROLET VENTURE2000, 2001
OLDSMOBILE SILHOUETTE2000, 2001
PONTIAC MONTANA2000, 2001

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

Recalls for the same vehicles and component
20142842014-07-03. Electrical
14V4000002014-07-03. 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
PIP4723J2024-10-25. Service bulletin. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
General Communication2024-08-26. Service campaign. Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
24-NA-0982024-06-25. Service bulletin. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
14350D2024-01-16. Service bulletin. Unintended Ignition Key Rotation
14350B2023-12-04. Service bulletin. Unintended Ignition Key Rotation
14350A2023-12-04. Service bulletin. Unintended Ignition Key Rotation
22-NA-2052022-11-02. Service bulletin. This service bulletin provides information on Module Harvesting.
21NA1242021-07-06. Service bulletin. This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
15-NA-0792021-04-20. Service bulletin. OnStar® Voice Fallback Number Update Some customers may have received a letter from OnStar® stating that "We recently tried to provide a software update to the OnStar® hardware in your vehicle. However, your system could not be updated remotely. As a result, some of your OnStar® system functions may not be working as expected." The customer is further instructed in this letter to "Please contact your dealer – or any dealer near you – as soon as possible to schedule an appointment for this no-cost software update. Your dealer will reprogram your OnStar® module with an update. This is for vehicles that have previously received the Canada upgrade as described in Service Bulletin #15-08-44-001F."
PIP4723D2020-02-10. Service bulletin. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.