Engine-Codes - Dodge - P0868 DODGE

P0868 DODGE Code - Line Pressure Low

- Code Popularity: 75,545 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0868 DODGE Code?

  • Low transmission fluid level
  • Faulty Line Pressure Sensor
  • Plugged Transmission Oil filter
  • Stuck or Sticking Main regulator Valve
  • Faulty Transmission Oil Pump

|How to Fix the P0868 DODGE Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|P0868 DODGE code tech notes

There is a Factory Service Bulletin for the Dodge following models:
2005-2006 Dodge Ram Truck
2005-2006 Dodge Durango
2005-2006 Dodge Dakota
Dodge Factory Service Bulletin OBDII Code P0868

|What is the cost to diagnose the P0868 DODGE code?

Labor: 1.0

The cost to diagnose the P0868 DODGE code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|When is the P0868 DODGE code detected?

If the actual line pressure is consistently lower than the target while driving, the line pressure low DTC P0868 will set.

|What are P0868 DODGE code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Delay of shifting

|What Does the P0868 DODGE Code Mean?

Line pressure is measured by the Line Pressure Sensor (LPS) and regulation is achieved by changing the duty cycle of the Pressure Control Solenoid (PCS) controlled by the Transmission Control System. (5% duty cycle = solenoid off = Max line pressure, 62% duty cycle = solenoid on = Min line pressure). The Transmission Control System calculates the desired line pressure based on inputs from both the engine and transmission.
The Transmission Control System calculates torque input to the transmission and uses it as the primary input to the desired line pressure calculation. This is called Torque Based Line Pressure. In addition, the line pressure is set to a preset level 827 or 931kPa (120 or 135 psi) during shifts and in Park and Neutral to ensure consistent shift quality. The actual line pressure is continuously being compared to the desired (target) line pressure.

Line Pressure Low

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