Shift Solenoid ‘E’ Control Circuit Low
Table of contents
- Possible Causes
- How To Fix
- Tech Notes
- Cost To Diagnose
- When is the code detected
- Possible Symptoms
- Description
P0985 TOYOTA Possible Causes
- Faulty pressure control solenoid valve ‘E’
- Pressure control solenoid valve ‘E’ harness is open or shorted
- Pressure control solenoid valve ‘E’ circuit poor electrical connection
- Faulty Engine Control Module (ECM)
- Low transmission fluid level
- Dirty transmission fluid
How do I fix code P0985 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.
Tech Notes
- There is a Factory Service Bulletin for the 2004 Toyota Sienna
- 2004 Toyota Sienna Factory Service Bulletin OBDII Code P0985
Cost of diagnosing the P0985 TOYOTA code
The cost of diagnosing the P0985 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.
When is the code detected
Engine Control Module (ECM) detectes an open or shorted condition on the solenoid circuit
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Shift shock
P0985 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 is 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 valve to allow the vehicle to be operated smoothly (Fail safe function).