Lexus DTC P1565 – Cruise Control Main Switch Circuit Malfunction
DTC P1565 meaning on Lexus
DTC P1565 indicates a malfunction in the cruise control main switch circuit on a Lexus vehicle.
Lexus DTC P1565 symptoms
Symptoms of DTC P1565 may include:
- Cruise control system not engaging
- Cruise control system engaging intermittently
- Cruise control system not maintaining set speed
Lexus DTC P1565 causes
Possible causes of DTC P1565 include:
- Defective cruise control main switch
- Wiring or connector issues in the cruise control main switch circuit
- Faulty cruise control module
Lexus DTC P1565 seriousness
While DTC P1565 may not directly affect the drivability of the vehicle, it can impact the functionality of the cruise control system, which may lead to inconvenience for the driver.
How to diagnose DTC P1565 on Lexus
To diagnose DTC P1565 on a Lexus, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the trouble codes stored in the vehicle’s computer
- Inspect the cruise control main switch and its wiring for any visible damage or corrosion
- Test the cruise control main switch for proper functionality
- Check the cruise control module for any faults
How to fix DTC P1565 on Lexus
To fix DTC P1565 on a Lexus, the following steps may be taken:
- Replace the cruise control main switch if it is found to be defective
- Repair any damaged wiring or connectors in the cruise control main switch circuit
- If the cruise control module is faulty, replace it with a new one
How to erase DTC P1565 on Lexus
To erase DTC P1565 on a Lexus, a mechanic can use a diagnostic scanner to clear the trouble code from the vehicle’s computer. Once the issue has been resolved and the code cleared, the cruise control system should be tested to ensure proper functionality.