KE15 - DTC 1505: Check Inlet Air Connection

Diagnostic Trouble Code (DTC) 1505 indicates the IAC system has reached the adaptive clip.

Possible Causes:
- Air leaks.
- Plugged air filter element.
- Throttle body linkage binding.
- Contaminated or damaged IAC valve assembly.
- Damaged throttle body.

- Key Off.

- Inspect the entire inlet air system for leaks such as loose connection at throttle body or air cleaner, cracked or punctured ducting, etc.

- Is there a leak or loose connection in the air inlet system?

YES -- SERVICE as necessary. RESET KAM. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes

NO -- GO to KE16. KE16 - Check For a Plugged Air Filter