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Service bulletin 99178

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 id607648
Published by NHTSA1999-10-04
Manufacturer's number99178
Manufacturer's date1999-02-23
NHTSA componentELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

NHTSA's summary

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

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

Electrical system, Wiring and fuses

Trouble codes named

P0325

Vehicles listed
FORD CONTOUR1999
MERCURY COUGAR1999
MERCURY MYSTIQUE1999

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

Other bulletins for the same vehicles and component
59632000-11-14. Service bulletin. INFORMATION ON INSTALLING FUSES AT PRE-DELIVERY. *TT
82182000-06-08. Service bulletin. EXPERIENCING THE BATTERY WARNING LAMP ILLUMINATING DUE TO FUSE 2 BLOWING INTERMITTENTLY. *TT
135422000-05-18. Service bulletin. EXPERIENCING AN INTERMITTENTNOISE DESCRIBED AS A BUZZ OR RATTLE FROM THE CENTER OF THE INSTRUMENT PANEL OR BEHIND THE CLUSTER AREA. *TT
992222000-02-11. Service bulletin. SUBJECT ON A WIRE HARNESS TERMINAL REPAIR KIT AVAILABLE FOR REPAIRING ELECTRICAL WIRING HARNESSES. *TT
129081999-09-08. Service bulletin. INFORMATION ON DIAGNOSING THE AMBIENT TEMPERATURE DISPLAY. *TT
128461999-09-07. Service bulletin. SUBJECT ON INSTALLING FUSES AT PDI (PRE-DELIVERY INSPECTION). *TT
128141999-09-07. Service bulletin. INFORMATION ON CHECKING WIRE HARNESS AT THE RIGHT FRONT PASSENGER ANCHOR RAIL TO FLOOR PAN. *TT
125971999-06-08. Service bulletin. INFORMATION ON INSTALLING FUSES AT PRE-DELIVERY. *TT