DTC P0A14-12: Engine Mount "A" Control Circuit High Circuit Short to Battery [08/2020 - ]: Description
WARNING: This page is about a different car, the 2025 Toyota RAV4, 2024 Toyota RAV4, 2023 Toyota RAV4, 2022 Toyota RAV4, and 2021 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
| *A | for 2WD | *B | for AWD |
| *1 | Vacuum Switching Valve (for Active Control Engine Mount System) | *2 | Front Engine Mounting Insulator |
| *3 | Rear Engine Mounting Insulator | - | - |
The active control engine mount system decreases engine vibration at a low engine speed using the vacuum switching valve (for active control engine mount system). The vacuum switching valve (for active control engine mount system) is controlled by a pulse signal transmitted to the vacuum switching valve (for active control engine mount system) from the ECM. The frequency of this pulse signal is matched to the engine speed to decrease engine vibration.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
|---|---|---|---|---|---|---|
| P0A14-12 | Engine Mount "A" Control Circuit High Circuit Short to Battery | Short in vacuum switching valve (for active control engine mount system) circuit and power supply circuit (2 trip detection logic). |
|
Does not come on | DTC stored |
|