Engine-Codes - Jeep - P0841 JEEP

P0841 JEEP - LR Pressure Switch Rationality Fault

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P0841 JEEP Possible Causes

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty Transmission Solenoid/Pressure Switch
  • Transmission Solenoid/Pressure Switch harness is open or shorted
  • Transmission Solenoid/Pressure Switch circuit poor electrical connection
  • Internal transmission damage
  • Faulty Engine Control Module (ECM)
  • Faulty Transmission Control Module (TCM)

How is the P0841 JEEP code repair?

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.

Tech Notes

There are factory service bulletins for the following Jeep models:

2003-2005 Jeep Wrangler
2003-2005 Jeep Liberty
2003-2005 Jeep Cherokee
Jeep Factory Service Bulletin OBDII Code P0841

2005-2006 Jeep Liberty
2005-2006 Jeep Cherokee
2005-2006 Jeep Grand Cherokee
2006 Jeep Commander
Jeep Factory Service Bulletin OBDII Code P0841

What is the cost to diagnose the P0841 JEEP code

Labor: 1.0

The cost to diagnose the P0841 JEEP code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

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

P0841 JEEP Meaning

The Diagnostic Trouble Code (DTC) will set when the Transmission Control Module (TCM) has detected a Low/Reverse (LR) Pressure Switch open or closed at an incorrect time.

More Information

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