Lexus DTC P1663 – OCV Circuit Malfunction (Bank 2)
DTC P1663 meaning on Lexus
DTC P1663 for Lexus refers to an OCV (Oil Control Valve) Circuit Malfunction in Bank 2. This diagnostic trouble code indicates an issue with the circuit that controls the oil flow to the VVT (Variable Valve Timing) system on Bank 2 of the engine.
Lexus DTC P1663 symptoms
Symptoms of DTC P1663 on a Lexus may include:
- Check Engine Light illuminated on the dashboard
- Engine running rough or misfiring
- Reduced engine performance
- Difficulty starting the engine
Lexus DTC P1663 causes
Common causes of DTC P1663 on a Lexus include:
- Faulty Oil Control Valve (OCV)
- Wiring or connector issues in the OCV circuit
- Low engine oil level or poor quality oil
- Engine mechanical problems
Lexus DTC P1663 seriousness
DTC P1663 should not be ignored as it can lead to engine performance issues and potential damage if left unresolved. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P1663 on Lexus
To diagnose DTC P1663 on a Lexus, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the trouble codes and freeze frame data
- Inspect the OCV and its wiring for any visible damage or corrosion
- Check the engine oil level and quality
- Perform a circuit test to check for continuity and proper voltage
How to fix DTC P1663 on Lexus
To fix DTC P1663 on a Lexus, the following steps may be taken:
- Replace the faulty Oil Control Valve (OCV) if necessary
- Repair or replace any damaged wiring or connectors in the OCV circuit
- Ensure the engine oil level is correct and of good quality
- If engine mechanical issues are found, address them accordingly
How to erase DTC P1663 on Lexus
After fixing the underlying issue causing DTC P1663 on a Lexus, the trouble code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and turn off the Check Engine Light.
Recommended tools for Lexus diagnostics
Explore our expert picks: The Best OBD2 Scanners for 2025
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.