Ford Escape 2018 — technical service bulletin
Bulletin SSM 47203 · NHTSA communication 10137114 · issued Mar 30, 2018
Technical service bulletin
communication type
Fuel System, Gasoline
component
2018
model years
1
vehicle entries
Official summary
Some 2018 Escape vehicles equipped with a 1.5L EcoBoost engine may exhibit an illuminated MIL on with DTC P051B. This DTC sets if the crankcase pressure sensor voltage is greater than a calibrated threshold. If DTC P051B is set with any other codes, diagnose and repair those DTCs first. If DTC P051B is the only DTC, use the Integrated Diagnostic System (IDS) datalogger and monitor CRNKCAS_P_V at KOEO for 10 seconds without tapping/disturbing the sensor or connector. If the sensor voltage is found to be less than 3.7V or more than 4.1V, replace the crankcase sensor/hose assembly and leave the s
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.