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Service bulletins for the 1999 Mercury Cougar

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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
0415162005-01-06. Service bulletin. ELECTRICAL SYSTEM. MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE(S) P0420 AND/OR P0430. *TT
041042004-09-07. Service bulletin. ELECTRICAL SYSTEM. MALFUNCTION INDICATOR LAMP ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE P0420 AND/OR P0430/ 2.5L ENGINE ONLY. *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
031812003-11-14. Service bulletin. ELECTRICAL SYSTEM. REMOTE KEYLESS ENTRY (RKE) - SERVICE TIPS. *TT
158302002-12-03. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BATTERY LAMP ON, HOWEVER THE CHARGING SYSTEM IS FUNCTIONING PROPERLY. *TT
158282002-12-03. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. SOME VEHICLES MAY EXHIBIT DIAGNOSTIC TROUBLE CODE B1213, B1342, B1601, B2431. *TT
02452002-11-05. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. INFORMATION REGARDING DISCHARGED BATTERY CHARGING SERVICE TIPS AND GUIDELINES. *TT
01622001-05-22. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. VEHICLES EQUIPPED WITH PASSIVE ANTI-THEFT SYSTEM (PATS) MAY NOT START OR CRANK. *TT
01352001-05-16. Service bulletin. ELECTRICAL SYSTEM. SOME VEHICLES NOT EQUIPPED WITH SIDE AIRBAGS MAY EXHIBIT A CONDITION WHERE THE AIRBAG WARNING LAMP IS ILLUMINATED WITH DIAGNOSTIC TROUBLE CODES (DTCS) U2017 AND / OR U2018. *TT
002562001-03-13. Service bulletin. ELECTRICAL SYSTEM. SOME VEHICLES EQUIPPED WITH A V6 ENGINE MAY EXHIBIT A FLICKERING CONDITION OF THE HEADLAMP, INSTRUMENT CLUSTER, RADIO, AND INTERIOR LIGHTS DURING ENGINE START-UP AND MAY CONTINUE DURING THE FIRST SEVERAL MINUTES OF ENGINE IDLE. *TT
52082001-01-13. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. INFORMATION ON VEHICLES WITH THE ACTIVE ANTI-THEFT SYSTEM. *TT
47052001-01-10. Service bulletin. ELECTRICAL SYSTEM. SOME VEHICLES MAY EXPERIENCE A CONCERN OF AN INTERMITTENT NO CRANK, NO START BY INADEQUATE MATING OF CONNECTOR C1936 OR AN UNDER-TORQUED STARTER SOLENOID WIRE AT C973A AND C973B. *TT
99-61982000-11-03. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. SOME CUSTOMERS MAY COMPLAIN THAT THE PERIMETER ALARM SYSTEM ACTIVATES WHEN THE IGNITION KEY IS TURNED TO START. *TT
121722000-06-19. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. FOR ALL 1999 COUGAR WITH ACTIVE ANTI-THEFT SYSTEM, DISREGARD CENTRAL SECURITY MODULE (CSM) DIAGNOTIC TROUBLE CODES (DTC). *MJS
139362000-06-14. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SOME VEHICLES MAY EXHIBIT THE BATTERY WARNING LAMP ILLUMINATING DUE TO FUSE 2 OR 7 BLOWING. *TT
82622000-06-12. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SOME VEHICLES MAY EXHIBIT THE BATTERY WARNING LAMP ILLUMINATING DUE TO FUSE 2 OR 7 BLOWING. *TT
82182000-06-08. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. EXPERIENCING THE BATTERY WARNING LAMP ILLUMINATING DUE TO FUSE 2 BLOWING INTERMITTENTLY. *TT
69062000-03-10. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. EXHIBITING A STARTER GRINDING NOISE AND / OR LACK OF STARTER DRIVE ENGAGEMENT. *TT
992222000-02-11. Service bulletin. ELECTRICAL SYSTEM:WIRING. SUBJECT ON A WIRE HARNESS TERMINAL REPAIR KIT AVAILABLE FOR REPAIRING ELECTRICAL WIRING HARNESSES. *TT
99131371999-12-07. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. CONCERNS WITH 2.5L ENGINE EQUIPPED VEHICLES AND CD4E TRANSAXLE EXHIBITING A STARTER GRINDING NOISE AND / OR LACK OF STARTER DRIVE ENGAGEMENT. *TT
991781999-10-04. Service bulletin. ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH. ON SOME VEHICLES, A DIAGNOSTIC TROUBLE CODE (DTC) P0325 (KNOCK SENSOR CIRCUIT MALFUNCTION) MAY APPEAR DURING KOER, BUT FURTHER TESTING DETERMINES THE KNOCK SENSOR TO BE SATISFACTORY. *TT
129081999-09-08. Service bulletin. ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH. INFORMATION ON DIAGNOSING THE AMBIENT TEMPERATURE DISPLAY. *TT
128141999-09-07. Service bulletin. ELECTRICAL SYSTEM:WIRING. INFORMATION ON CHECKING WIRE HARNESS AT THE RIGHT FRONT PASSENGER ANCHOR RAIL TO FLOOR PAN. *TT
126211999-06-08. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. SUBJECT REGARDING IGNITION LOCK SERVICE REPLACEMENT. *TT
99491999-05-12. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. CONDITIONS WITH DIAGNOSTIC TROUBLE CODE (DTC) P0460 STORED IN CONTINUOUS MEMORY WITHOUT ANY DRIVEABILITY CONCERNS. *TT

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