Engine-Codes - Jeep - P0846 JEEP

P0846 JEEP Code - 2-4 or 2C Pressure Switch Rationality

- Code Popularity: 27,234 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0846 JEEP Code?

  • 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)

|How to Fix the P0846 JEEP 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.

|P0846 JEEP code tech notes

There is a factory service bulletin for the following Jeep models:
2003-2005 Jeep Wrangler
2003-2005 Jeep Liberty
2003-2005 Jeep Cherokee
Jeep Factory Service Bulletin OBDII Code P0846

|What is the cost to diagnose the P0846 JEEP code?

Labor: 1.0

The cost to diagnose the P0846 JEEP 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.

|What are P0846 JEEP code possible symptoms?

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

|What Does the P0846 JEEP Code Mean?

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. This Diagnostic Trouble Code (DTC) is set if the 2/4 pressure switch is open or closed at the wrong time in a given gear.

2-4 or 2C Pressure Switch Rationality

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