2015 Lexus P0507: What It Means & Is It Safe to Drive?
P0507 on the 2015 Lexus: Idle Air Control System RPM Higher Than Expected. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
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What this code means
Idle speed is higher than the PCM expects. Often caused by a vacuum leak or dirty IAC valve.
Common causes on the 2015 Lexus
- Vacuum leak
- Dirty or faulty idle air control valve
- Throttle body carbon buildup
Symptoms
- High idle
- Check Engine Light
- Possible surging
Typical fixes
- Find and fix vacuum leaks
- Clean or replace IAC valve
- Clean throttle body
Repair cost range
For a 2015 Lexus, repairs for P0507 typically fall between $50 and $400, depending on the root cause and labor rates in your area.
Known issues on Lexus
Lexus P0507 is caused by the same throttle body carbon buildup as Toyota. Lexus requires a throttle position initialization using a Techstream scan tool after cleaning—the manual ignition-cycle relearn used on Toyota does not fully reset the throttle adaptation on Lexus models.
Most commonly affected models
IS250/IS350 2006–2013GS350 2006–2011ES350 2007–2012