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P3427 Jeep Code - Cylinder 4 Deactivation Control Circuit Low

- Code Popularity: 1,223 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P3427 Jeep?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Low oil pressure
  • Restricted oil passage
  • Engine mechanical condition
  • Faulty Multiple Displacement System (MDS) Solenoid
  • Multiple Displacement System (MDS) Solenoid harness is open or shorted
  • Multiple Displacement System (MDS) Solenoid circuit poor electrical connection
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How to Fix the DTC P3427 Jeep?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

Although in some cases changing the engine oil may fix the problem, usually the Multi Displacement System Solenoid may need to replaced.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P3427 Jeep code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P3427 Jeep Description

When all the criteria has been met,power is supplied to each Multi-Displacement System (MDS) Solenoid when engine is making a transition from 8 cylinder mode to 4 cylinder mode. By actuating the solenoid, oil pressure is raised to the pair of lifter that coincide with each particular solenoid. The oil pressure pushes in the locking pins that allows the lifter to collapse, decoupling the valves and camshafts.

OBDII Code P3427 Jeep - Cylinder 4 Deactivation Control Circuit Low - AutoCodes.com
P3427 Jeep Code - Cylinder 4 Deactivation Control Circuit Low

Need More Information on the Code?

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Code P3427 Jeep comments

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