P1345 – Lexus DTC

Lexus DTC P1345 – VVT Sensor Circuit Malfunction (Bank 1)

DTC P1345 meaning on Lexus

DTC P1345 for Lexus indicates a VVT (Variable Valve Timing) sensor circuit malfunction on Bank 1. This fault code is specific to the VVT system, which controls the timing of the opening and closing of the engine’s intake and exhaust valves.

Lexus DTC P1345 symptoms

Symptoms of DTC P1345 on a Lexus may include:

• Check Engine Light (MIL) illuminated
• Engine running rough or misfiring
• Reduced fuel efficiency
• Lack of power or acceleration

Lexus DTC P1345 causes

Common causes of DTC P1345 on a Lexus include:

• Defective VVT sensor
• Wiring or connector issues in the VVT sensor circuit
• Engine oil sludge or contamination affecting VVT operation

Lexus DTC P1345 seriousness

DTC P1345 should not be ignored as it can lead to poor engine performance and potential long-term damage if left unresolved. It is recommended to address this issue promptly to prevent further complications.

How to diagnose DTC P1345 on Lexus

To diagnose DTC P1345 on a Lexus, follow these steps:

1. Use an OBD-II scanner to retrieve the fault code and freeze frame data
2. Inspect the VVT sensor and its wiring for any visible damage or corrosion
3. Check the engine oil level and condition to ensure proper lubrication for the VVT system
4. Perform a continuity test on the VVT sensor circuit to check for any electrical faults

How to fix DTC P1345 on Lexus

To fix DTC P1345 on a Lexus, consider the following steps:

1. Replace the faulty VVT sensor if it is determined to be the cause of the issue
2. Repair any damaged wiring or connectors in the VVT sensor circuit
3. Clean or flush the engine oil system to remove any sludge or contaminants affecting VVT operation
4. Clear the fault code and reset the Check Engine Light using an OBD-II scanner

How to erase DTC P1345 on Lexus

To erase DTC P1345 on a Lexus:

1. Use an OBD-II scanner to clear the fault code and reset the Check Engine Light
2. Ensure that the underlying issue causing the fault code has been addressed and resolved
3. Perform a test drive to confirm that the DTC P1345 does not reappear

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