Case IH 19243 – Engine Control Unit (ECU) / Engine Controller (ENG): Excessive crank case pressure pre-warning failure

This fault indicates that the pressure inside the engine's crankcase has exceeded the expected normal operating range, triggering a pre-warning before a critical failure or engine derate occurs.

• Tier 4b
• Steiger
• Magnum
• Equipment with Cummins ISX12 engines
• Equipment with Cummins ISX15 engines

1. 1

   Use an OBD-II or diagnostic scanner to retrieve the fault code and any related codes to provide additional context.

2. 2

   Perform a visual inspection of the crankcase pressure sensor and its wiring. Damaged connectors or frayed wires are frequent culprits behind sensor faults and should be ruled out before replacing parts.

3. 3

   Check the engine's ventilation system and crankcase filter for heavy blockages.

1. 1

   Locate components

   Locate the crankcase pressure sensor and the crankcase filter on the engine.

2. 2

   Replace crankcase filter

   Remove the old crankcase filter and replace it. It is highly recommended to install a maintenance-free crankcase filter.

3. 3

   Replace sensor

   Disconnect and replace the crankcase pressure sensor.

4. 4

   Skip calibration

   No computer calibration is needed for the new sensor.

5. 5

   Verify repair

   Start the engine and allow it to warm up to verify the repair and ensure the fault code has cleared.