P1349 – Lexus DTC

Lexus DTC P1349 – VVT System Malfunction (Bank 1)

DTC P1349 meaning on Lexus

DTC P1349 for Lexus indicates a VVT (Variable Valve Timing) system malfunction on Bank 1. This fault code is specific to the VVT system and is triggered when the Engine Control Module (ECM) detects an issue with the operation of the VVT mechanism on Bank 1 of the engine.

Lexus DTC P1349 symptoms

Symptoms of DTC P1349 on a Lexus may include:

• Check Engine Light (MIL) illuminated on the dashboard
• Engine running rough or misfiring
• Reduced engine performance
• Increased fuel consumption

Lexus DTC P1349 causes

Common causes of DTC P1349 on a Lexus include:

• Issues with the VVT oil control valve
• Problems with the VVT solenoid
• Low engine oil level or dirty oil
• Wiring or connector issues in the VVT system

Lexus DTC P1349 seriousness

DTC P1349 should not be ignored as it can lead to engine performance issues and potential damage if left unresolved. It is recommended to address this fault code promptly to prevent further complications.

How to diagnose DTC P1349 on Lexus

To diagnose DTC P1349 on a Lexus, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and related data
2. Inspect the VVT oil control valve and solenoid for proper operation
3. Check the engine oil level and condition
4. Inspect the wiring and connectors in the VVT system for any damage or corrosion

How to fix DTC P1349 on Lexus

To fix DTC P1349 on a Lexus, the following steps may be taken:

1. Replace the faulty VVT oil control valve or solenoid
2. Ensure the engine oil level is correct and change the oil if necessary
3. Repair or replace any damaged wiring or connectors in the VVT system
4. Clear the fault code and test drive the vehicle to confirm the issue has been resolved

How to erase DTC P1349 on Lexus

To erase DTC P1349 on a Lexus, follow these steps:

1. Use a diagnostic scanner to clear the fault code from the ECM memory
2. Ensure the repair has been completed successfully
3. Perform a test drive to verify that the Check Engine Light does not reappear

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