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.
2000 Ford ZX2 StandardFACTORY OEM SERVICE PROCEDURE
Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
POWERTRAIN CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| 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 . |
| P0720 | Output Shaft Speed Circuit Fault | PCM | REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - CVT or AUTOMATIC TRANSAXLE - 6 SPEED . |
| P0721 | Output Shaft Speed Circuit Fault | PCM | REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - CVT or AUTOMATIC TRANSAXLE - 6 SPEED . |
| P1500 | Vehicle Speed Error | PCM | REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - CVT or AUTOMATIC TRANSAXLE - 6 SPEED . |
| P1501 | Vehicle Speed Error | PCM | REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - CVT or AUTOMATIC TRANSAXLE - 6 SPEED . |
| P1572 | Brake On/Off Failure | PCM | GO to PINPOINT TEST B . |
| P1703 | Brake On/Off Failure | PCM | GO to PINPOINT TEST B . |
Factory Service Tools
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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.
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