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Service bulletins for the 2003 Lincoln Navigator

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.

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

By type

By component

By trouble code

Bulletins, newest first
177382004-07-24. Service bulletin. ELECTRICAL SYSTEM. CHARGING SYSTEM WARNING INDICATOR INTERMITTENTLY ON WITH POSSIBLE DIAGNOSTIC TROUBLE CODE (DTC) P0620. *TT
177322004-07-24. Service bulletin. ELECTRICAL SYSTEM. CHECK AIR SUSPENSION MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C1724, C1873, AND/OR C1889. *TT
177232004-07-24. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. HIGH INTENSITY DISCHARGE (HID) HEADLAMPS INOPERATIVE IN AUTOLAMP MODE. *TT
176982004-07-24. Service bulletin. EQUIPMENT:ELECTRICAL. POWER RUNNING BOARDS GRINDING, AUTO REVERSING, OR STOPPING MID-WAY WHEN DEPLOYED. *TT
176932004-07-24. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE (DTC) P0320 (IGNITION ENGINE SPEED INPUT CIRCUIT MALFUNCTION). *TT
04712004-07-23. Service bulletin. ELECTRICAL SYSTEM. WARNING INDICATORS-PARKING AID-REVERSE SENSING SYSTEM (RSS) AND FORWARD SENSING SYSTEM (FSS)-FALSE ACTIVATION OF WARNING TONE-SERVICE TIPS. *MJ UPDATE. *TT
173732004-07-23. Service bulletin. EQUIPMENT:ELECTRICAL. A DIAGNOSTIC TROUBLE CODE (DTC) B2721 (LIFTGATE/DECKLID AJAR OUTPUT SHORT TO GROUND OR OPEN) IN THE POWER LIFTGATE MODULE. *TT
173562004-07-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. LOSS OF CLIMATE CONTROL COOLING DURING EXTENDED DRIVING. *TT
173162004-07-23. Service bulletin. FUEL SYSTEM, OTHER. FUEL SIGNAL TO INSTRUMENT CLUSTER SERVICE TIP. *TT
992632004-07-23. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS. CORRECT LUG NUT TORQUE SPECIFICATIONS - INCREASE WHEEL NUT AND STUD SIZE - SERVICE TIP. *TT
176392004-06-22. Service bulletin. SUSPENSION. RIDE HEIGHT ISSUES. *TT
176372004-06-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. RUNS ROUGH / LACKS POWER / MISFIRE / MALFUNCTION INDICATOR LAMP - LOSS OF COMPRESSION ON VEHICLES WITH OVER 20,000 MILES. *TT
176322004-06-22. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. AXLE WHINE AT HIGHWAY SPEEDS (40-60 MPH). *TT
176212004-06-18. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. TIRE PRESSURE MONITORING SYSTEM (TPMS) LOW TIRE OR TIRE VERY LOW MESSAGE AND/OR THE TPMS LIGHT ON. *TT
176002004-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE VIBRATION BETWEEN 1100-1330 RPM. *TT
175982004-06-17. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. REAR AXLE HALFSHAFT SEAL LEAK. *TT
04112004-06-16. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:SHOES/LININGS. BRAKE DUST - REVISED BRAKE LININGS - VEHICLES BUILT PRIOR TO 12/18/2003. *TT
175212004-06-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. CLICK/POP/CREAK FROM REAR AXLE. *TT
175142004-06-14. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. HID HEADLAMPS INOPERATIVE IN AUTOLAMP MODE. *TT
174592004-06-10. Service bulletin. INTERIOR LIGHTING. COURTESY RAIL LAMPS DO NOT OPERATE CORRECTLY OR CAUSE A BATTERY DRAW. *TT
173042004-01-21. Service bulletin. SEATS. SEAT CUSHION FOAM DAMAGE/SHREDDING. *TT
172492004-01-15. Service bulletin. EQUIPMENT:ELECTRICAL. RETRACTABLE RUNNING BOARDS DO NOT DEPLOY/RETRACT. *TT
172472004-01-14. Service bulletin. SERVICE BRAKES, HYDRAULIC. ACCUMULATION OF BRAKE DUST ON THE WHEELS UNDER REGULATOR DRIVING CONDITIONS. *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
171682003-11-17. Service bulletin. ELECTRICAL SYSTEM. VEHICLES EQUIPPED WITH ADVANCETRAC STABILITY ASSIST/INTERACTIVE VEHICLE DYNAMICS - IVD) MAY EXHIBIT A DIAGNOSTIC TROUBLE CODE C1998. *TT

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