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.
2005 Ford Mustang Base, 2D Convertible, AutomaticFACTORY OEM SERVICE PROCEDURE
Powertrain Control Module (PCM)
POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1213 | Anti-Theft Number Of Programmed Keys Is Below Minimum | PCM | GO to PINPOINT TEST A . |
| B1600 | Passive Anti-Theft System (PATS) Key Transponder Signal Is Not Received - Damaged Key Or Non-PATS Key | PCM | GO to PINPOINT TEST C . |
| B1601 | Passive Anti-Theft System (PATS) Received Incorrect Key-Code From Key Transponder (Unprogrammed PATS Key) | PCM | GO to PINPOINT TEST D . |
| B1602 or B2431 | Passive Anti-Theft System (PATS) Received Invalid Format Of Key-Code From Key Transponder (Partial Key Read) | PCM | GO to PINPOINT TEST E . |
| B1681 | Passive Anti-Theft System (PATS) Transceiver Module Signal Is Not Received (Damaged, Not Connected, Or Damaged Wiring ) | PCM | GO to PINPOINT TEST F . |
| B2103 | Internal Transceiver Antenna Damaged | 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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