Toyota DTC P1512 – Boost Pressure High
DTC P1512 meaning on Toyota
DTC P1512 on a Toyota indicates a high boost pressure condition detected by the engine control module (ECM).
Toyota DTC P1512 symptoms
- Check Engine Light (CEL) illuminated
- Reduced engine power
- Increased fuel consumption
Toyota DTC P1512 causes
- Boost pressure sensor malfunction
- Wastegate stuck closed
- Boost pressure regulator failure
- Boost pressure leak in the system
Toyota DTC P1512 seriousness
The DTC P1512 code should be addressed promptly as it can lead to engine damage if left unresolved. It may also result in poor performance and reduced fuel efficiency.
How to diagnose DTC P1512 on Toyota
- Use a diagnostic scanner to retrieve the trouble codes
- Inspect the boost pressure sensor for proper operation
- Check the wastegate for any obstructions
- Inspect the boost pressure regulator for faults
- Pressure test the system for leaks
How to fix DTC P1512 on Toyota
- Replace the faulty boost pressure sensor
- Repair or replace the wastegate if stuck closed
- Replace the boost pressure regulator if defective
- Repair any leaks in the boost pressure system
How to erase DTC P1512 on Toyota
- After fixing the underlying issue, use a diagnostic scanner to clear the trouble codes
- Ensure the repair has resolved the high boost pressure condition
Recommended tools for Toyota 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.