LR Pressure Switch Rationality Fault
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 do I fix code P0841 JEEP?
Check 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
Cost of diagnosing the P0841 JEEP code
The cost of diagnosing the P0841 JEEP code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Transmission will not shift gears.
P0841 JEEP Description
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.