Code Definition

P1111 — System Pass

System: Powertrain  |  Type: Manufacturer-Specific  |  Make: Ford

About P1111

P1111 is a manufacturer-specific powertrain diagnostic trouble code recorded for Ford vehicles. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

P1111 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

P1111 is not a fault code. It is the System Pass message returned by the Ford onboard self test, indicating that the self test ran to completion and found no faults in the circuits and components it checks. When a technician performs a Key On Engine Off or Key On Engine Running self test and the module replies with P1111, it means no hard faults were present at that time. It does not by itself guarantee there is no intermittent fault or a driveability concern outside the scope of the self test, so it should be read as a clean result for the tests that were run rather than proof the whole vehic...

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