OBD Guide
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P1004

Short Runner Valve Control Performance

P1004 is an OBD-II diagnostic trouble code meaning: Short Runner Valve Control Performance. Common causes: short channel control valve malfunction, open or short circuit in control circuit. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Reduced engine power
  • Unstable idling
  • Check Engine Light Illuminates
  • Deterioration in acceleration dynamics
  • Dips when pressing the gas pedal

Causes

  • Short channel control valve malfunction
  • Open or short circuit in control circuit
  • ECU software error
  • Mechanical valve jamming
  • Problems with power or circuit ground

How to Fix

  1. Check the condition of the short channel control valve
  2. Test the control circuit for open and short circuit
  3. Check connections and connector contacts
  4. Test the valve operation forcibly
  5. Replace valve if necessary

Related codes

P1005P1003P1006

FAQ

What does the P1004 code mean?

P1004 is an OBD-II diagnostic trouble code that indicates: Short Runner Valve Control Performance

What causes a P1004 error code?

The most common causes of P1004 include: Short channel control valve malfunction; Open or short circuit in control circuit; ECU software error; Mechanical valve jamming.

How do I fix a P1004 diagnostic trouble code?

To fix P1004: Check the condition of the short channel control valve. Test the control circuit for open and short circuit. Check connections and connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1004?

Limited driving only, diagnose soon

How much does it cost to fix P1004?

The estimated repair cost for P1004 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat