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DTC - Diagnostic Trouble Codes information

P0750

Powertrain Codes

P0750 - KIA - Low and Reverse Solenoid Valve System

Symptoms

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

Possible Causes

- Low transmission fluid level - Dirty transmission fluid - Faulty Low and Reverse solenoid valve - Low and Reverse solenoid valve harness or connectors - Low and Reverse solenoid valve circuit is open or shorted

When Detected

The P0750 code is detected when TCM detects an improper voltage drop when it tries to operate the solenoid valve.

Description

Low and Reverse solenoid valve A is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position.