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Home >> Ford >> 2005 >> Escape Hybrid, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls - Powertrain DTC Charts & Description (Except Diesel & Hybrid)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P1507: Idle Air Control (IAC) Underspeed Error

DTC P1507: Idle Air Control (IAC) Underspeed Error

WARNING: This page is about a different variant/trim than selected.
P1507 - IDLE AIR CONTROL (IAC) UNDERSPEED ERROR

Description:  This DTC is set when the powertrain control module (PCM) detects an engine idle speed that is less than the desired RPM.
Possible Causes: 
  • IAC circuit open
  • Air inlet is plugged
  • Damaged or incorrect IAC valve
  • IAC valve stuck closed
  • VPWR to IAC solenoid open
  • IAC circuit short to PWR
Diagnostic Aids:  The IAC solenoid resistance is 6 to 13 ohms.
Disconnect the IAC valve and look for little or no change in engine RPM as an indication of a stuck or damaged valve.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to KE: Idle Air Control (IAC) Valve STEP KE1.
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