P1549 - Intake Manifold Communication Control Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What does this mean?

P1549 Possible Causes

  • Faulty Intake Manifold Temperature Valve
  • Intake Manifold Temperature Valve harness is open or shorted
  • Intake Manifold Temperature Valve circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

First diagnose P1549 code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the P1549 code

    Labor: 1.0

    The cost of diagnosing the P1549 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P1549 Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1549 Meaning

With the key ON or engine running, the Powertrain Control Module (PCM) detects a fault in the Intake Manifold Communication Control (IMCC) or ITV control circuit
OBDII Code P1549 - Intake Manifold Communication Control Circuit Malfunction - Engine-Codes.com

P1549 More Information

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P1549 Information for specific makes

  • P1549 ACURA Charging System High Voltage
  • P1549 AUDI Wastegate Bypass Regulator Valve Open/Short To Ground
  • P1549 FORD Intake Manifold Communication Control Circuit Malfunction
  • P1549 HONDA Charging System High Voltage
  • P1549 LINCOLN Intake Manifold Communication Control Circuit Malfunction
  • P1549 MAZDA Intake Manifold Temperature Valve Vacuum Actuator Connection
  • P1549 MERCURY Intake Manifold Communication Control Circuit Malfunction
  • P1549 SAAB Turbocharger System Malfunction
  • P1549 VOLKSWAGEN Wastegate Bypass Regulator Valve Open/Short To Ground

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