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Service bulletins for the 2003 Chevrolet Impala

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.

477 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
00214A2003-11-19. Service bulletin. ELECTRICAL SYSTEM:IGNITION. DELAYED CRANK, MAY BE NECESSARY TO HOLD KEY IN START SEVERAL SECONDS UNTIL STARTS. *TT
0812032003-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. THIS SERVICE VOICEMAIL MESSAGE OUTLINES A METHOD TO ATTEMPT REPAIR OF THE AIR CONDITIONER VENT LOUVER BEFORE REPLACING THE ENTIRE TRIM PLATE. *TT
0708032003-11-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. THE VME MESSAGE IS TO PROVIDE INFORMATION ABOUT A NEW PRODUCT FIELD ACTION REGARDING A CUSTOMER SATISFACTION PROGRAM FOR AN ENGINE COOLANT LEAK. THE ENGINE COOLANT MAY LEAK AT THE UPPER INTAKE MANIFOLD THROTTLE BODY GASKET OR AT THE UPPER INTAKE MANIFOLD TO LOWER INTAKE MANIFOLD GASKET. *TT
0602032003-10-28. Service bulletin. STRUCTURE. LOUD POPPING OR SNAPPING NOISE FROM THE WINDSHIELD OR INSTRUMENT PANEL AREA THAT IS OFTEN DESCRIBED AS A NOISE THAT SOUNDS SIMILAR TO A ROCK OR STONE HITTING THE WINDSHIELD. DIAGNOSTIC TIPS. *TT
0512032003-10-27. Service bulletin. STRUCTURE:BODY. PROTECTIVE FILM ON THE FRONT FASCIA BEING DIFFICULT TO REMOVE FROM BETWEEN THE FENDER AND THE FASCIA. *TT
030342003-10-20. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE COOLANT MAY LEAK AT THE UPPER INTAKE MANIFOLD THROTTLE BODY GASKET, OR AT THE UPPER INTAKE MANIFOLD TO LOWER INTAKE MANIFOLD TO LOWER INTAKE MANIFOLD GASKET. THIS CONDITION MAY RESULT IN A LOW ENGINE COOLANT LEVEL AND HIGHER ENGINE OPERATING TEMPERATURES. *TT
0308670042003-09-30. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. PARTS AVAILABILITY FOR SUNROOF REPAIRS. *TT
020730039C2003-09-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. FIRM TRANSMISSION SHIFTS, SHUDDER/CHUGGLE, TRANSMISSION WON'T DOWNSHIFT ON DECELERATION, SERVICE ENGINE SOON LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE P0742 SET. *TT
010846002C2003-09-26. Service bulletin. EQUIPMENT. PROGRAMMING OF REPLACEMENT ONSTAR VEHICLE COMMUNICATION AND INTERFACE MODULES (VCIM). *TT
1213022003-09-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE FRAME CLICK OR SNAP NOISE DURING LOW SPEED MANEUVERS. *TT
0306010162003-08-26. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. LOSS OF COOLANT, MILKY COLORED OIL. *TT
0306040302003-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT
0304032003-07-24. Service bulletin. AIR BAGS:FRONTAL. DRIVER SIDE AIRBAG MAY NOT DEPLOY AS DESIGNED - PRODUCT SAFETY RECALL TO REPLACE DRIVER'S AIRBAG. *TT *JB
0228032003-07-23. Service bulletin. STEERING. INCREASED STEERING EFFORT DUE TO INTERMEDIATE SHAFT TO INTERMEDIATE SHAFT BOOT INTERFERENCE. *TT *JB
0227032003-07-23. Service bulletin. STRUCTURE. GAP CONDITION BETWEEN THE UPPER INSTRUMENT PANEL (IP) PAD TO IP TRIM PLATE WHICH MAY BE OBJECTIONABLE TO A CUSTOMER. *TT *JB
0306010102003-04-26. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE OIL OR COOLANT LEAK. *TT
0308440052003-04-15. Service bulletin. ELECTRICAL SYSTEM. POOR RADIO RECEPTION OR RADIO STATIC/ INCREASED INTERFERENCE WITH REAR WINDOW DEFOGGER ON OR SOME REAR WINDOW DEFOGGER GRIDS MAY BE INOPERATIVE. *TT
020730039A2003-03-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. FIRM TRANSMISSION SHIFTS, SHUDDER/CHUGGLE, TRANSMISSION WON'T DOWNSHIFT ON DECELERATION, SERVICE ENGINE SOON LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE P0742 SET. *TT
0208500102003-03-28. Service bulletin. SEATS:FRONT ASSEMBLY:POWER ADJUST. POWER SEAT ADJUSTER INOPERATIVE. *TT
0206010392003-03-27. Service bulletin. ENGINE AND ENGINE COOLING. WHINE OR GROWL NOISE FROM ENGINE AFTER COLD START. *TT
0207300392003-02-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION TO DEALERS REGARDING SERVICE BULLETIN 020730039 - FIRM TRANSMISSION SHIFTS, SHUDDER / CHUGGLE, TRANSMISSION WON'T DOWNSHIFT ON DECELERATION, SERVICE ENGINE SOON LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) P0742 SET. *TT
0207300392003-02-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. FIRM TRANSMISSION SHIFTS, SHUDDER / CHUGGLE, TRANSMISSION WON'T DOWNSHIFT ON DECELERATION, SERVICE ENGINE SOON LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) P0742 SET. *TT
2307022002-11-22. Service bulletin. UNKNOWN OR OTHER. SERVICE INFORMATION REGARDING AN INOPERATIVE REMOTE KEYLESS ENTRY (RKE) FOLLOWING VCM REPLACEMENT. *TT
020730024A2002-10-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
020730022A2002-10-10. Service bulletin. UNKNOWN OR OTHER. SERVICE ENGINE SOON LIGHT ON WITH DIAGNOSTIC TROUBLE CODES P0716 AND / OR P0717, P0730, P0753, P0758, P1860, P1887 OR OTHER MISCELLANEOUS TRANSMISSION TROUBLE CODES SET. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.