The automobile fault code P0990 indicates a problem with the transmission control solenoid valve assembly.
This can result in the engine light being illuminated or the service engine soon warning light appearing. The possible causes include low transmission fluid level, dirty transmission fluid, a faulty transmission control solenoid valve assembly, an open or shorted harness, or a poor electrical connection. To fix this issue, it is recommended to visually inspect the wiring harness and connectors for any damage.
Check for broken, bent, pushed out, or corroded pins on the connectors. The repair time for this problem is estimated to be around 1.0 hour. It is important to address this issue promptly to prevent further damage to the transmission.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
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P0990: Unveiling The Symptoms Of This Mysterious Automobile Fault Code
When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p0990 fault code.
- The symptoms of the automobile fault code P0990 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.
Unveiling The Culprits: What Causes Fault Code P0990?
The automobile fault code p0990 can be caused by various factors, including low transmission fluid level, dirty fluid, and faulty transmission control solenoid valve assembly.
- The fault code P0990 can be caused by: low transmission fluid level, dirty transmission fluid, faulty Transmission Control Solenoid Valve Assembly, open or shorted Transmission Control Solenoid Valve Assembly harness, and poor electrical connection in the Transmission Control Solenoid Valve Assembly circuit.
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Fixing Code P0990: A Step-By-Step Guide To Resolve The Issue
To fix the automobile fault code p0990, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.
- To fix the automobile fault code P0990, start by checking the possible causes mentioned above.
- Then, visually inspect the wiring harness and connectors related to the issue.
- Look for any damaged components and check if there are any broken, bent, pushed out, or corroded pins in the connectors.
- This fix is estimated to take approximately 1.0 hour.
Cracking The Code: P0990 Fixing Cost & Complexity Unveiled!
The factors influencing the diagnosis and fixing cost of the automobile fault code p0990 are the estimated repair time and the hourly rate charged by auto repair shops.
The estimated repair time for this fault code is 1.0 hour. Auto repair shops typically charge between $75 and $150 per hour for their services.
These factors will determine the overall cost of diagnosing and fixing the p0990 fault code.
P0990: Transmission Fluid Pressure Sensor/Switch E Circuit Low
The P0990 fault code refers to a problem with the Transmission Fluid Pressure (TFP) switch 5 in the Transmission Control Solenoid Valve Assembly.
This switch is not serviceable and is normally closed or LOW. When there is oil pressure present, the switch becomes open or HIGH.
The TCM monitors the TFP switch 5 signal circuit to determine the position of the R14-5-6 clutch regulator valve. The fault code is triggered when the TCM detects that the TFP switch 5 signal voltage remains HIGH after the 4-5-6 clutch transitions from a LOW pressure state to a HIGH pressure state. The TCM counts each incident, and the DTC sets when 15 counts are accumulated.
This code indicates a circuit high voltage issue with the TFP switch 5. It is important to address this fault code promptly to ensure proper functioning of the transmission system. A qualified technician should diagnose and repair the underlying cause of the high voltage in the TFP switch 5 circuit to resolve the issue and prevent further damage to the transmission.
FAQ
If you’re seeing the engine light on or the service engine soon warning light, the fault code P0990 could be the culprit. This code can be caused by a few different things, including low transmission fluid level, dirty transmission fluid, a faulty transmission control solenoid valve assembly, an open or shorted harness for the valve assembly, or a poor electrical connection in the circuit. To visually inspect these possible causes, check the wiring harness and connectors related to the transmission control solenoid valve assembly. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins.
When the engine light is ON, it could be due to a low transmission fluid level or dirty transmission fluid. These issues can cause problems with the Transmission Control Solenoid Valve Assembly, leading to a poor electrical connection or an open or shorted circuit. To fix this, it is important to visually inspect the wiring harness and connectors, checking for any damage or corrosion. Additionally, look out for broken, bent, pushed out, or corroded pins on the connectors.
To fix the P0990 fault code and ensure proper functioning of the transmission control solenoid valve assembly, start by checking the possible causes mentioned above. Conduct a visual inspection of the wiring harness and connectors, looking for any damage or broken components. Pay close attention to any bent, pushed out, or corroded connector pins. Taking these steps will help identify and address any issues with the transmission control solenoid valve assembly.
Wrap Up
If your engine light is on or you see the service engine soon warning light, it could be due to a low transmission fluid level, dirty transmission fluid, a faulty Transmission Control Solenoid Valve Assembly, or a poor electrical connection in the Transmission Control Solenoid Valve Assembly circuit.
To fix this, visually inspect the wiring harness and connectors, check for damaged components, and look for any broken, bent, pushed out, or corroded connector pins.
