OBD Guide
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P153F

Idle Air Control Actuator 2 Timeout Maximum Position Exceeded

P153F is an OBD-II diagnostic trouble code meaning: Idle Air Control Actuator 2 Timeout Maximum Position Exceeded. Common causes: iac 2 actuator malfunction, dirty or stuck idle control mechanism. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable idle speed
  • Floating engine speed
  • Increased vibration at idle
  • Stalls at idle
  • Check Engine light comes on

Causes

  • IAC 2 actuator malfunction
  • Dirty or stuck idle control mechanism
  • Problems with the electrical circuit (open, short circuit)
  • Engine control unit malfunction
  • Mechanical obstacles in the idle channel

How to Fix

  1. Check the condition of the IAC 2 actuator
  2. Clean the idle air passage and IAC mechanism
  3. Check the electrical circuit and connectors
  4. Replace faulty actuator if necessary
  5. Check and, if necessary, replace the engine control unit

Related codes

P0505P0506P0507

FAQ

What does the P153F code mean?

P153F is an OBD-II diagnostic trouble code that indicates: Idle Air Control Actuator 2 Timeout Maximum Position Exceeded

What causes a P153F error code?

The most common causes of P153F include: IAC 2 actuator malfunction; Dirty or stuck idle control mechanism; Problems with the electrical circuit (open, short circuit); Engine control unit malfunction.

How do I fix a P153F diagnostic trouble code?

To fix P153F: Check the condition of the IAC 2 actuator. Clean the idle air passage and IAC mechanism. Check the electrical circuit and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P153F?

Yes, but get it checked soon

How much does it cost to fix P153F?

The estimated repair cost for P153F is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat