Hello,
The code P1505 is for PCV air leakage.
Have you reset the engine light to see if it comes back on?
This code can be due to leaking/lose PCV hose, faulty EVAP canister purge valve, Throttle body issue, leaking brake booster hose, intake manifold leak.
Try resetting the ECM. If the light exists after the reset procedure, then it could be one of the issues mentioned above. If the light goes off, then it just needs resetting.
I have attached the procedure below.
Please let me know if you have any questions.
Thank you.
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Sunday, January 2nd, 2022 AT 6:45 PM