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U060E Lost Communication With Crankcase Pressure Sensor

Check engine lightOn

EmissionsRelevant

Drive cycleNot required

Limp modeNo

A crankcase pressure sensor lets the engine controller check the positive crankcase ventilation for leaks or a disconnected hose, which CARB 1968.2 requires. Ford fits it in two versions. The analog one reports circuit low, high and range faults; the SENT one uses P051A and U060E. Ford's gasoline summaries for 2020 to 2023 and 2024 run this check continuously and record a fault after 5 s once the controller recognizes faulted signal patterns from the sensor; P051A then marks a sensor that reports itself defective, U060E a link that no longer delivers usable frames. Both block the ventilation disconnect test (P04DB, later P2C90), because that monitor needs a working sensor. Drivability is normally unaffected, but the MIL comes on.

Likely causes

Damaged SENT, supply or ground wire to the crankcase pressure sensor

Oil or moisture in the sensor connector

Crankcase pressure sensor electronics failed

Symptoms

Check engine light
Crankcase ventilation monitor does not complete

Repair estimate

DifficultyMediumDIY possible

Parts and labour€40–250

Time0.3–1.5 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

crankcase pressure sensorsensor wiring

References: fordservicecontent.com, fordservicecontent.com, law.cornell.edu.