For Shop Owners

P0846 DODGE - 2-4 or 2C Pressure Switch Rationality

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • 2/4 Pressure Switch harness is open or shorted
  • 2/4 Pressure Switch circuit poor electrical connection
  • Faulty 2/4 Pressure Switch
  • Internal transmission damage
  • Faulty Powertrain Control Module (PCM)
  • Faulty Transmission Control Module (TCM)
What does this mean?

Tech notes

There is a factory service bulletin for the following Dodge models:
2004 Dodge Dakota
2004-2005 Dodge Durango
2005 Dodge 300/Magnum
2005 Dodge Dakota

What does this mean?

When is the code detected?

This code is set if the 2/4 pressure switch is open or closed at the wrong time in a given gear.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Transmission will not shift gears.

P0846 DODGE Description

The Powertrain Control Module (PCM) uses three pressure switches to monitor the fluid pressure in the LR, 2/4, and OD clutch circuits. The pressure switches are continuously monitored for the correct states in each gear as shown below.
OBDII Code P0846 Dodge - 2-4 or 2C Pressure Switch Rationality -

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P0846 DODGE Comments

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Any information is appreciated. Thanks
Repair Importance Level: 3
1=Low 2=Medium 3=High
Repair Difficulty Level: 3
1=Easy 2=Moderate 3=Hard

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