P0994 CHRYSLER – LR Pressure Switch Sense Circuit

P0994 CHRYSLER Possible Symptoms

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

P0994 CHRYSLER 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)

P0994 CHRYSLER 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.