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.
2002 Ford Windstar BaseFACTORY OEM SERVICE PROCEDURE
Powertrain Control Module Diagnostic Trouble Code (DTCS)
POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action/Go to |
|---|---|---|---|
| B1213 | Anti-Theft Number of Programmed Keys is Below Minimum | PCM | PINPOINT TEST F: ANTI-THEFT NUMBER OF PROGRAMMED KEYS IS BELOW MINIMUM . |
| B2431 | Transponder Program Failure | PCM | VERIFY if using correct PATS key, if defective USE new key. |
| B1342 | ECU is Defective (EEFROM in PCM not working) | PCM | INSTALL a new PCM. REFER to POWERTRAIN CONTROL MODULE . |
| B2103 | Antenna Not Connected | PCM | PINPOINT TEST A: NO ANTENNA DETECTED . |
| B1600 | PATS Ignition Key Transponder Signal is Not Received | PCM | PINPOINT TEST B: PATS IGNITION KEY TRANSPONDER SIGNAL IS NOT RECEIVED . |
| B1601 | PATS Received Incorrect Key-Code From Ignition Key Transponder | PCM | PINPOINT TEST C: PATS RECEIVED INCORRECT KEY-CODE FROM IGNITION KEY TRANSPONDER . |
| B1602 | PATS Received Invalid Format of Key-Code From Ignition Key Transponder | PCM | PINPOINT TEST D: PATS RECEIVED INVALID FORMAT OF KEY-CODE FROM IGNITION KEY TRANSPONDER . |
| B1681 | PATS Transceiver Module Signal is Not Received | PCM | PINPOINT TEST E: PATS TRANSCEIVER MODULE SIGNAL IS NOT RECEIVED . |
| - | All Other DTCs | PCM | REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES . |
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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