P1816 Saturn Code - Transmission Fluid Pressure Valve Position Switch-Park/Neutral With Drive Ratio
Quick Answer
The P1816 code for Saturn vehicles indicates an issue with the Transmission Fluid Pressure Valve Position Switch in the Park/Neutral position with Drive Ratio. Common causes include Faulty transmission fluid pressure valve position switch, Wiring or connector issues related to the switch, Low or contaminated transmission fluid. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1816 Saturn indicates Transmission Fluid Pressure Valve Position Switch-Park/Neutral With Drive Ratio.
- Common causes
- Common causes include Faulty transmission fluid pressure valve position switch, Wiring or connector issues related to the switch, Low or contaminated transmission fluid.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1816 Saturn Description
The P1816 code for Saturn vehicles indicates an issue with the Transmission Fluid Pressure Valve Position Switch in the Park/Neutral position with Drive Ratio. This switch is responsible for detecting the position of the transmission fluid pressure valve in relation to the park/neutral gear and drive ratio. When this switch malfunctions, it can lead to incorrect readings being sent to the vehicle's transmission control module, resulting in various performance issues.
Common Causes of P1816 Saturn
- Faulty transmission fluid pressure valve position switch
- Wiring or connector issues related to the switch
- Low or contaminated transmission fluid
- Faulty transmission control module
- Mechanical issues within the transmission system
Symptoms of P1816 Saturn
- Harsh shifting between gears
- Transmission slipping
- Difficulty shifting into gear
- Transmission going into "limp mode"
- Check Engine Light illuminated
How to Fix P1816 Saturn
- Begin by diagnosing the issue using a scan tool to confirm the P1816 code and pinpoint the exact cause.
- Inspect the transmission fluid pressure valve position switch and related wiring for any damage or corrosion.
- Test the switch for proper functionality and replace if necessary.
- Check the transmission fluid level and quality, topping up or performing a fluid flush if needed.
- Clear the error code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1816 Saturn
The typical repair costs for addressing a P1816 code can vary depending on the specific cause of the issue. On average, parts for replacing the transmission fluid pressure valve position switch can range from $50 to $150, while labor costs can range from $100 to $200. Overall, the total repair cost for this issue could fall between $150 and $350. However, it's essential to consider that additional costs may apply if other components are found to be faulty or if more extensive repairs are needed. Keep in mind that labor rates can vary, so it's advisable to check with local auto repair shops for a more accurate estimate.
Need more information about the P1816 Saturn code?
Need more information on how to fix the P1816 Saturn code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1816 Saturn code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1816 Saturn Code
No Frequently Asked Questions about P1816 Saturn Code found.
Discuss the causes and fixes for P1816 Saturn OBDII Code
Code P1816 Saturn comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.