Shift Solenoid ‘D’ Control Circuit High Valve S4
Table of contents
P0983 TOYOTA Possible Causes
- Shift Solenoid Valve S4
- Line pressure solenoid valve S4 harness is open or shorted
- Line pressure solenoid valve S4 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How do I fix code P0983 TOYOTA?
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 P0983 TOYOTA code
The cost of diagnosing the P0983 TOYOTA 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.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0983 TOYOTA Description
Shifting from 1st to 5th is performed in combination with “ON’ and “OFF operation of the shift solenoid valves SL1, SL2, SL3, S4 and SR which are controlled by the Engine Control Module (ECM). If an open or short circuit occurs in either of the shift solenoid valves, the ECM controls the remaining normal shift solenoid valves to allow the vehicle to be operated smoothly (Fail Safe Function).