P0798 LEXUS Pressure Control Solenoid C Electrical

Possible causes
– Low transmission fluid level
– Dirty transmission fluid
– Faulty pressure control solenoid valve ‘C’
– Pressure control solenoid valve ‘C’ harness is open or shorted
– Pressure control solenoid valve ‘C’ circuit poor electrcial connection
When is the obd code mean?
Engine Control Module (ECM) detectes an open or shorted condition on the solenoid circuit
– Engine Light ON (or Service Engine Soon Warning Light)
– Shift shock
P0798 LEXUS OBD Code Description

The Engine Control Module (ECM) uses signals from the vehicle speed sensor to detect the actual gear position (1st, 2nd, 3rd, 4th or 5th gear). Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical troubles of the shift solenoid valves and valve body.

LEXUS Related P0798 code
2004 LEXUS RX330 Electrical System

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