Code Definition

P1212 — Injector Control Pressure Not Detected During Crank

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

About P1212

P1212 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.

P1212 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

This code applies to Ford Power Stroke and related HEUI diesel engines that require high pressure engine oil to fire the injectors during starting. The Injection Pressure Regulator (IPR) valve controls the oil pressure and the Injection Control Pressure (ICP) sensor monitors it. DTC P1212 is set when the PCM does not detect the minimum injection control pressure needed to operate the injectors while the engine is cranking, so the injectors cannot fire and the engine will not start. This is commonly caused by high pressure oil leaks, an IPR valve leaking or stuck open, low oil, a worn high pres...

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