P0990
Transmission Fluid Pressure Sensor/Switch E Circuit High
P0990 is an OBD-II diagnostic trouble code meaning: Transmission Fluid Pressure Sensor/Switch E Circuit High. Common causes: transmission fluid pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Hard gear shifts
- Delays when shifting gears
- Transmission transition to emergency mode
- Check Engine light comes on
- Reduced transmission efficiency
Causes
- Transmission fluid pressure sensor malfunction
- Open or short circuit in the sensor circuit
- Connector problems or contact corrosion
- Transmission control module (TCM) malfunction
- Low transmission fluid level
How to Fix
- Check transmission fluid level
- Inspect the wiring and connectors of the pressure sensor
- Check the resistance of the pressure sensor
- Replacing the transmission fluid pressure sensor if necessary
- Check and replace the transmission control module (TCM) if necessary
Related codes
Error P0990 by Vehicle Brand
FAQ
What does the P0990 code mean?
P0990 is an OBD-II diagnostic trouble code that indicates: Transmission Fluid Pressure Sensor/Switch E Circuit High
What causes a P0990 error code?
The most common causes of P0990 include: Transmission fluid pressure sensor malfunction; Open or short circuit in the sensor circuit; Connector problems or contact corrosion; Transmission control module (TCM) malfunction.
How do I fix a P0990 diagnostic trouble code?
To fix P0990: Check transmission fluid level. Inspect the wiring and connectors of the pressure sensor. Check the resistance of the pressure sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0990?
Yes, but get it checked soon
How much does it cost to fix P0990?
The estimated repair cost for P0990 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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