Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY1999TRACER LS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 130 (CRUISE CONTROL SYSTEM -- F250-F550 SUPER DUTY)DIAGNOSIS AND TESTINGSPEED CONTROLPOWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
1999 Mercury Tracer LS, 4D Sedan, Standard
Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index
1999 Mercury Tracer LS, 4D Sedan, StandardSECTION Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTCs | Description | Source | Action |
|---|---|---|---|
| P0500 | Vehicle Speed Error | PCM | REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - TORQSHIFT . |
| P0579 | Cruise Control Multifunction Input A Circuit Range/Performance | PCM | GO to PINPOINT TEST C . |
| P0581 | Cruise Control Multifunction Circuit High | PCM | GO to PINPOINT TEST C . |
| P0833 | Clutch Pedal Switch B Circuit | PCM | GO to PINPOINT TEST E . |
| P1703 | Brake Switch Out of Self-Test Range | PCM | GO to PINPOINT TEST B . |
| P1572 | Brake Pedal Switch Circuit | PCM | GO to PINPOINT TEST B . |
| All other DTCs | - | PCM | See INTRODUCTION - GASOLINE article . |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.