[SOLVED] P151A Code: Fix Intake Manifold Runner Controller Performance Issue Now!

The automobile fault code P151A indicates a problem with the Intake Manifold Runner Control (IMRC) system. The most common symptom is the Engine Light being ON or the Service Engine Soon Warning Light.

The cause of this fault code can be an open circuit in the IMRC control circuit, mechanical concerns like binding or damage to the IMRC hardware, or a damaged IMRC actuator. To fix this issue, you should visually inspect the wiring harness and connectors, checking for any damage or corrosion. Additionally, look for broken, bent, pushed out, or corroded pins in the connectors.

The repair time for this issue is estimated to be around 1.0 hour.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p151a fault code.

  • The symptoms of the automobile fault code p151a include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p151a can be caused by various factors, including an open IMRC control circuit, mechanical concerns with the IMRC hardware, short to voltage in the IMRC control circuit, open IMRC VPWR or GND circuits, and a damaged IMRC actuator.

  • The fault code P151A can be caused by the following: an open circuit in the Intake Manifold Runner Control (IMRC) control circuit, a mechanical concern such as binding, seizing, damage, or obstruction of IMRC hardware, a short to voltage in the IMRC control circuit, an open circuit in the IMRC VPWR circuit, an open circuit in the IMRC GND circuit, or a damaged IMRC actuator.

INNOVA 5210
Get an OBD Scanner for accurate, Your car-specific Error Diagnosis
  • Pinpoints your car-specific issues, giving accurate diagnostics for your exact make and model.
  • Works anywhere, even with limited connectivity, making it highly versatile.
  • Provides detailed insights into real-time performance for your exact make and model, beyond generic online explanations.
  • Tracks past issues of your vehicle, helping you spot recurring problems and monitor long-term performance, which online resources can’t offer.
  • Detects potential issues early, helping avoid costly repairs instead of just addressing current problems.
  • Regular checks support efficiency and emissions standards, potentially increasing resale value—hard to gauge with online info alone.
Buying through our links may earn us commission.

To fix the automobile fault code p151a, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p151a, follow these steps: 1.
  • Check the possible causes mentioned above.
  • 2.
  • Visually inspect the wiring harness and connectors related to the fault code.
  • 3.
  • Look for any damaged components.
  • 4.
  • Check for broken, bent, pushed out, or corroded pins in the connectors.
  • The estimated repair time for this fix is 1.0 hour.

The automobile fault code p151a has an estimated repair time of 1.0 hour.

Auto repair shops typically charge between $75 and $150 per hour for this type of repair.

The P151A fault code refers to a problem with the Intake Manifold Runner Control (IMRC) system. This system is responsible for regulating the airflow into the engine.

When the PCM (Powertrain Control Module) and the IMRC solenoid lose communication or signal, the test fails and triggers the P151A code. In simpler terms, this fault code indicates that there is an issue with the communication between the engine control module and the component that controls the intake manifold runners.

These runners help optimize the airflow into the engine for better performance.

When this communication is disrupted, it can lead to a decrease in engine performance and efficiency. If you encounter the P151A fault code, it is important to have it addressed promptly. Ignoring this issue can result in reduced engine power, decreased fuel efficiency, and potential damage to other engine components.

A qualified mechanic will be able to diagnose the exact cause of the communication problem and perform the necessary repairs to restore your vehicle’s performance.

What are the possible causes of the automobile fault code p151a?

If you’re seeing the engine light on or the service engine soon warning light, the fault code P151A might be the culprit. This code can be caused by a few things, including an open circuit in the intake manifold runner control (IMRC) control circuit, mechanical concerns like a bind, seize, damage, or obstruction of the IMRC hardware, a short to voltage in the IMRC control circuit, an open IMRC VPWR circuit, an open IMRC GND circuit, or a damaged IMRC actuator. To fix this issue, make sure to visually inspect the wiring harness and connectors, check for damaged components, and look for any broken, bent, pushed out, or corroded connector pins.

How can I visually inspect the wiring harness and connectors to fix the p151a fault code?

If you’re dealing with the p151a fault code and your engine light is on, it’s time to take action. The cause could be a range of issues, from an open IMRC control circuit to a damaged IMRC actuator. To fix it, start by visually inspecting the wiring harness and connectors. Look for any signs of damage, such as broken or corroded pins. This step is crucial in identifying any issues with the components and ensuring a proper fix. Don’t delay, get to work and check those connections now!

What should I look for when checking for damaged components and connector pins to resolve the p151a fault code?

If you’re dealing with the p151a fault code and your engine light is on, there are a few things you should check. The possible causes include an open IMRC control circuit, mechanical concerns with the IMRC hardware, or a damaged IMRC actuator. To resolve this issue, visually inspect the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins. Taking these steps will help you identify and resolve the problem.

p151a error fault code explained

If your engine light is on and you’re seeing the P151A fault code, it could be due to a few different causes.

The intake manifold runner control (IMRC) control circuit may be open, there could be a mechanical concern with the IMRC hardware, or the IMRC actuator may be damaged.

To fix this issue, visually inspect the wiring harness and connectors, check for damaged components, and look for any broken or corroded pins on the connectors.

Scroll to Top