DTC Summary
WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
| DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Note |
| P0441-9C |
Evaporative Emission System Incorrect Purge Flow Low/Insufficient Flow |
While engine running, following conditions successively met:
- Negative pressure not created in EVAP system when purge VSV turned on (open)
- EVAP system pressure change less than 0.154 kPa (gauge) [0.022 psi (gauge)] when vent valve turned on (closed)
- Atmospheric pressure change before and after purge flow monitor less than 0.1 kPa (gauge) [0.015 psi (gauge)]
|
- Open or short in purge VSV circuit
- Purge VSV
- No. 1 check valve
- Canister pump module
- Purge line
- Canister (filter inside canister clogged)
- No. 2 charcoal canister filter (filter inside canister clogged)
- ECM
|
Comes on |
SAE Code: P0441 |
| DTC No. |
Monitoring Item |
Detection Timing |
Detection Logic |
SAE |
| P0441-9C |
- Purge VSV stuck closed
- No. 1 check valve stuck closed
- Purge flow
|
While engine running |
2 trip |
P0441 |