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P0841 DODGE - LR Pressure Switch Rationality Fault

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)
What does this mean? 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
Dodge Factory Service Bulletin OBDII Code P0841

2005-2006 (DR) Ram Truck
2005-2006 (HB) Durango
2005-2006 (ND) Dakota
Dodge Factory Service Bulletin OBDII Code P0841


What does this mean? What does this mean?
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Transmission will not shift gears.
P0841 Dodge Description

Low/Reverse (LR). The Transmission Control Module (TCM) has detected a pressure switch open or closed at an incorrect time.

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