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Service bulletins for the 2003 Mercury Grand Marquis

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.

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

By type

By component

By trouble code

Bulletins, newest first
032282004-07-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. LACK OF AIR CONDITIONER (A/C) COOLING AND RESTRICTED/REDUCED AIR FLOW THROUGH THE A/C VENTS TYPICALLY DURING EXTENDED IDLING CONDITIONS. *TT
175452004-07-22. Service bulletin. SUSPENSION. COSMETIC CRACKING OF LOWER CONTROL ARM BUSHING SLEEVE. *MJ
175432004-07-22. Service bulletin. ELECTRICAL SYSTEM:HORN. INTERMITTENT HORN SELF-ACTIVATION. *MJ
04212004-06-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE KNOCK DURING INITIAL COLD START, THE KNOCK WILL CEASE AFTER THE ENGINE IS FULLY WARMED UP. *TT
175162004-06-14. Service bulletin. ELECTRICAL SYSTEM:HORN. INTERMITTENT HORN SELF-ACTIVATION. *TT
175022004-06-14. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. SLOW OR BINDING SIDE DOOR GLASS OPERATION. *TT
172972004-01-21. Service bulletin. STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE. PASSIVE ANTI-THEFT SYSTEM (PATS) DO NOT COME WITH A STEERING WHEEL LOCK. *TT
172952004-01-21. Service bulletin. ELECTRICAL SYSTEM. FLICKERING ELECTRONIC INSTRUMENT CLUSTER DISPLAY, ELECTRONIC AUTOMATIC TEMPERATURE CONTROL DISPLAY, RADIO DISPLAY, AND/OR OVERHEAD CONSOLE DISPLAY. *TT
032032004-01-14. Service bulletin. ELECTRICAL SYSTEM. MALFUNCTION INDICATOR LAMP ILLUMINATED WITH DIAGNOSTIC TROUBLE CODES (DTCS) P0442, P0455, P0456, P0457 OR P1442 OR A CHECK FUEL CAP LAMP ILLUMINATED WITH DTC P0457 FOR THE EVAPORATIVE EMISSION SYSTEM. *TT
171012003-11-17. Service bulletin. ELECTRICAL SYSTEM. MALFUNCTION INDICATOR LAMP (MIL) LIGHT ON AND DIAGNOSTIC TROUBLE CODES (DTCS) P1405 OR P1406 WITH NO OTHER DTCS. *TT
031962003-11-15. Service bulletin. SUSPENSION. HARSH RIDE/SUSPENSION SITS LOW IN FRONT. BASE VEHICLES WITH STEEL WHEELS OR VEHICLES EQUIPPED WITH HANDLING PACKAGE. *TT
031812003-11-14. Service bulletin. ELECTRICAL SYSTEM. REMOTE KEYLESS ENTRY (RKE) - SERVICE TIPS. *TT
169412003-11-04. Service bulletin. FUEL SYSTEM, OTHER:FUEL INJECTION SYSTEM. HESITATION, BUCK OR SURGE DURING STEADY STATE DRIVING OR LIGHT ACCELERATION AT 30-60 MPH. *TT
0314112003-10-29. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. RADIATOR ALIGNMENT PIN GROUND CLEARANCE. *TT
031442003-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE OR ROUGH RUNNING CONDITION WITH COIL ON PLUG (COP) IGNITION SYSTEMS MAY BE MORE ACCURATELY DIAGNOSED USING THE OPTIONAL WORLDWIDE DIAGNOSTIC SYSTEM (WDS) COIL ON PLUG (COP) KIT. 2003 SUPER DUTY F SERIES INCLUDED. *TT
031422003-10-29. Service bulletin. ELECTRICAL SYSTEM. BATTERY WARNING LAMP ON WITH A DIAGNOSTIC TROUBLE CODE P1246 (GENERATOR LOAD INPUT FAILED) IN THE POWERTRAIN CONTROL MODULE (PCM). *TT
031572003-10-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GRINDING TYPE NOISE FROM THE TIMING CHAIN AREA. *TT
170312003-10-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0316 (ONLY) STORED IN MEMORY. *TT
031642003-10-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME VEHICLES, EQUIPPED WITH THE 4.6L 2V ENGINE, WITH AN ENGINE BUILD DATE PRIOR TO 8/29/03 MAY EXHIBIT AN ENGINE TICK NOISE THAT IS PRESENT AT ALL TEMPERATURES DURING IDLE. 2004 MODELS INCLUDED. *TT
03982003-09-17. Service bulletin. FUEL SYSTEM, OTHER. MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION WITH DIAGNOSTIC TROUBLE CODES P0442, P0455, P0456, P0457, P1442 OR CHECK FUEL CAP LAMP ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE P0457. *TT
168022003-09-10. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:PUMP. EXCESSIVE POWER STEERING PUMP NOISE AT COLD START. *TT
167772003-09-10. Service bulletin. ELECTRICAL SYSTEM. MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODES (DTC'S) P0113 (INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT HIGH INPUT), P0114 (INTAKE AIR TEMPERATURE SENSOR 1 INTERMITTENT/ERRATIC), OR P1112 (INTAKE AIR TEMPERATURE CIRCUIT INTERMITTENT). *TT
167702003-09-10. Service bulletin. VEHICLE SPEED CONTROL. SPEED CONTROL DEACTIVATION SWITCH ADJUSTMENT SERVICE PROCEDURE. *TT
169062003-09-08. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. MOISTURE IN THE HEADLAMPS. *TT
168862003-09-08. Service bulletin. SUSPENSION. VEHICLES EQUIPPED WITH STEEL WHEELS BUILT BETWEEN APRIL 25, 2003 THOUGH MAY 11, 2003 MAY EXHIBIT HARSH RIDE CHARACTERISTICS DUE TO THE FRONT SPRINGS. *TT

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