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Service bulletin 549001A

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 id52600
Published by NHTSA1997-08-21
Manufacturer's number549001A
Manufacturer's date1997-03-01
Replaces54-90-01
NHTSA componentEQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

NHTSA's summary

CLN INDICATOR APPEARS ON RADIO DISPLAY AND DOES NOT TURN OFF (RESET CLN INDICATOR WITH THE EJECT BUTTON ON TAPE). *TW

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

Equipment and accessories

Vehicles listed
BUICK LESABRE1995, 1996, 1997
BUICK PARK AVENUE1995, 1996, 1997
BUICK REGAL1995, 1996, 1997
BUICK RIVIERA1996, 1997
BUICK ROADMASTER1995, 1996
BUICK SKYLARK1996, 1997
CADILLAC DEVILLE1996, 1997
CADILLAC ELDORADO1996, 1997
CADILLAC SEVILLE1996, 1997
CHEVROLET ASTRO1996 to 1997
CHEVROLET C SERIES(LIGHT)1995 to 1997
CHEVROLET CAVALIER1996, 1997
CHEVROLET CORVETTE1997
CHEVROLET G SERIES1996
CHEVROLET G SERIES1997
CHEVROLET K SERIES1995 to 1997
CHEVROLET LUMINA1994, 1995, 1996, 1997
CHEVROLET LUMINA APV1996
CHEVROLET LUMINA APV1997 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET MONTE CARLO1995, 1996, 1997
GMC C SERIES(LIGHT)1995 to 1997
GMC G SERIES1996 to 1997
GMC K SERIES1995 to 1997
GMC SAFARI1996, 1997
OLDSMOBILE 881994 to 1997
OLDSMOBILE 981997
OLDSMOBILE ACHIEVA1996, 1997
OLDSMOBILE AURORA1995, 1996, 1997
OLDSMOBILE CUTLASS SUPREME1995, 1996, 1997
OLDSMOBILE SILHOUETTE1997
PONTIAC BONNEVILLE1994, 1995, 1996, 1997
PONTIAC FIREBIRD1994, 1995, 1996, 1997
PONTIAC GRAND AM1996, 1997
PONTIAC GRAND PRIX1994, 1995, 1996, 1997
PONTIAC SUNFIRE1995
PONTIAC SUNFIRE1996, 1997
PONTIAC TRANS SPORT1996, 1997

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

Recalls for the same vehicles and component
20000802000-03-21. Accessories
95V2240001995-11-30. EQUIPMENT:ELECTRICAL

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
Recalls2024-01-08. Service bulletin. Vehicle Recalls
17-NA-0732023-03-03. Service bulletin. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
19NA2732020-01-21. Service bulletin. This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.
PIC4696E2019-12-09. Service bulletin. This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. The PI update to version D is to advise the unlock procedure is temporarily unavailable. E version update is to add administrative details.
17NA0732019-10-28. Service bulletin. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
PIC4696D2019-10-15. Service bulletin. This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. The PI update to version D is to advise the unlock procedure is temporarily unavailable.
PIP4723C2019-04-08. 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.
17NA0732019-03-18. Service bulletin. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
PIC4696C2018-06-18. Service bulletin. This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.
PI09692018-06-04. Service bulletin. This preliminary informational bulletin provides information on High Oil Pressure on Startup After Engine Replacement Concern.