LR Pressure Switch Sense Circuit
Table of contents
P0994 JEEP Possible Causes
- LR Pressure Switch harness is open or shorted
- LR Pressure Switch circuit poor electrical connection
- Faulty LR Pressure Switch
- Internal transmission damage
- Faulty Powertrain Control Module (PCM)
- Faulty Transmission Control Module (TCM)
How do I fix code P0994 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.
Cost of diagnosing the P0994 JEEP code
The cost of diagnosing the P0994 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.
When is the code detected
This code is set if the LR pressure switch is either 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.
P0994 JEEP 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.