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 AutomaticFACTORY OEM SERVICE PROCEDURE
Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
POWERTRAIN CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX
| DTCs | Source | Action |
|---|---|---|
| P0500 | Vehicle Speed Error | REFER to AUTOMATIC TRANSAXLE/TRANSMISSION . |
| P0579 | Cruise Control Multi-Function Input A Circuit Range/Performance | GO to PINPOINT TEST C . |
| P0581 | Cruise Control Multi-Function Input A Circuit High | GO to PINPOINT TEST C . |
| P0720 | Insufficient Input from Output Shaft Speed Sensor | REFER to AUTOMATIC TRANSAXLE/TRANSMISSION . |
| P0721 | Noise Interference on Output Shaft Speed Sensor Signal | REFER to AUTOMATIC TRANSAXLE/TRANSMISSION . |
| P0722 | No Signal from Output Shaft Speed Sensor | REFER to AUTOMATIC TRANSAXLE/TRANSMISSION . |
| P1572 | Brake Pedal Switch Circuit | GO to PINPOINT TEST B . |
| P1703 | Brake Switch Out of Self-Test Range | GO to PINPOINT TEST B . |
| All other DTCs | - | REFER to the INTRODUCTION - GASOLINE article. |
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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