DTC P0403-18: Exhaust Gas Recirculation "A" Circuit Current Below Threshold; DTC P040319: Exhaust Gas Recirculation "A" Circuit Current Above Threshold; DTC P140018: Exhaust Gas Recirculation "A" Control Circuit 2 Circuit Current Below Threshold; DTC P140019: Exhaust Gas Recirculation "A" Control Circuit 2 Circuit Current Above Threshold [10/2020 - ]: Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.
Refer to DTC P040000.
Refer to DTC P0400-00: Exhaust Gas Recirculation "A" Flow; DTC P04019C: Exhaust Gas Recirculation "A" Low / Insufficient Flow; DTC P04029B: Exhaust Gas Recirculation "A" High/Excessive Flow [10/2020 - 08/2021] Refer to DTC P0400-00: Exhaust Gas Recirculation "A" Flow; DTC P04019C: Exhaust Gas Recirculation "A" Low / Insufficient Flow; DTC P04029B: Exhaust Gas Recirculation "A" High/Excessive Flow [08/2021 - ]
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
|---|---|---|---|---|---|---|
| P040318 | Exhaust Gas Recirculation "A" Circuit Current Below Threshold | Open or short in EGR A circuit for 1 second or more (1 trip detection logic). |
|
Comes on | DTC stored | SAE Code: P0489 |
| P040319 | Exhaust Gas Recirculation "A" Circuit Current Above Threshold | Short in EGR A circuit for 1 second or more (1 trip detection logic). |
|
Comes on | DTC stored | SAE Code: P0490 |
| P140018 | Exhaust Gas Recirculation "A" Control Circuit 2 Circuit Current Below Threshold | Open or short in EGR B circuit for 1 second or more (1 trip detection logic). |
|
Comes on | DTC stored | SAE Code: P0489 |
| P140019 | Exhaust Gas Recirculation "A" Control Circuit 2 Circuit Current Above Threshold | Short in EGR B circuit for 1 second or more (1 trip detection logic). |
|
Comes on | DTC stored | SAE Code: P0490 |