P1549
Intake Manifold Communication Control Circuit Malfunction
P1549 is an OBD-II diagnostic trouble code meaning: Intake Manifold Communication Control Circuit Malfunction. Common causes: open or short circuit in control circuit, intake manifold solenoid valve malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Unstable engine idling
- Increased fuel consumption
- The engine goes into emergency mode
Causes
- Open or short circuit in control circuit
- Intake manifold solenoid valve malfunction
- Problems with the wiring harness or connectors
- Engine control unit malfunction
- Mechanical failure of the system for changing the geometry of the intake manifold
How to Fix
- Check the integrity of the control circuit and connections
- Test the intake manifold solenoid valve
- Inspect the wiring harness for damage
- Check the operation of the system for changing the geometry of the intake manifold
- If necessary, replace faulty components
Related codes
Error P1549 by Vehicle Brand
FAQ
What does the P1549 code mean?
P1549 is an OBD-II diagnostic trouble code that indicates: Intake Manifold Communication Control Circuit Malfunction
What causes a P1549 error code?
The most common causes of P1549 include: Open or short circuit in control circuit; Intake manifold solenoid valve malfunction; Problems with the wiring harness or connectors; Engine control unit malfunction.
How do I fix a P1549 diagnostic trouble code?
To fix P1549: Check the integrity of the control circuit and connections. Test the intake manifold solenoid valve. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1549?
Yes, but get it checked soon
How much does it cost to fix P1549?
The estimated repair cost for P1549 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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