4 Causes of Chevy Colorado P0017 Code Appear

When dealing with a P0017 code in your Chevy Colorado, it’s crucial to understand what this code means and how it affects your vehicle’s performance. The P0017 code indicates that the camshaft and crankshaft position sensors are out of sync, which can be caused by a variety of factors, such as faulty sensors, a broken timing belt, or a malfunctioning ignition system.

As you diagnose and address this issue, keep in mind that the crank and cam sensors work together to produce the ideal air/fuel ratio for your engine. Knowing the potential causes and some common symptoms can help you better navigate the repair process and get your Chevy Colorado back in prime condition.

Symptoms of P0017 Code

When you experience a P0017 code in your Chevy Colorado, there are several symptoms to watch out for. First, you may notice a rough idle with your vehicle. This means your engine may have an uneven or bumpy feel when you’re not pressing the accelerator.

Another symptom is decreased engine performance. Your Chevy Colorado might exhibit reduced power and acceleration, making it challenging to maintain steady speeds or quickly adapt to changing driving conditions.

Of course, the most apparent symptom when faced with a P0017 code is the appearance of the check engine light on your dashboard. This will alert you to the issue and prompt you to diagnose and fix the problem.

In some cases, you might even hear a rattle coming from your engine, indicating that something is not functioning correctly within the motor. This can be a clear sign that there’s an issue with the crankshaft and camshaft position correlation in your vehicle.

Lastly, it’s essential to consider that these symptoms may also lead to reduced fuel economy. As your engine struggles to perform efficiently due to the P0017 code, you may find that your Chevy Colorado is consuming more fuel than usual.

In summary, keep an eye out for the following symptoms of P0017 code in your Chevy Colorado:

  • Rough idle
  • Decreased engine performance (reduced power and acceleration)
  • Check engine light on
  • Rattling noise from the engine
  • Reduced fuel economy

Causes of P0017 Code

Sensor Issues

One of the main reasons you may encounter a P0017 code in your Chevy Colorado is due to issues with the crankshaft position sensor or the camshaft position sensor. Both of these sensors can become faulty or fail, which will cause the code to be triggered. To resolve this issue, inspect the sensors for any signs of wear or damage, and replace them if needed. Regular maintenance of these sensors can help prevent future occurrences of the P0017 code.

Wiring and Harness Problems

Problems with the wiring and harness connections are also common causes of the P0017 code. You’ll want to inspect the wiring harness for visible damage, as it can often be exposed to hot exhaust and vibration, which can lead to wear and tear over time. Additionally, check for a secure and corrosion-free connection between the sensors and the Engine Control Module (ECM) as faulty connections can trigger the code as well.

Mechanical Causes

In some cases, the P0017 code can be caused by mechanical issues within the engine, such as a damaged or stretched timing chain, a faulty camshaft or crankshaft reluctor wheel, or a misaligned oil pump. To address these potential problems, a thorough inspection of the engine’s internal components is necessary. If any of these issues are detected, appropriate repairs or replacements will be needed to resolve the P0017 code.

Engine Control Module (ECM) Issues

Finally, there is a possibility that the P0017 code is triggered due to issues within the Engine Control Module itself, which manages your vehicle’s ignition system. While this is a less common cause, it is still important to consider. If the ECM is malfunctioning, it may not be regulating the camshaft position actuator or receiving accurate information from the crankshaft and camshaft sensors. In this situation, diagnosing and repairing the ECM may be necessary to eliminate the P0017 code.

How to Diagnose and Fix P0017 Code

Inspecting Sensors

First, check the camshaft position sensor (CMP) and the crankshaft position sensor (CKP). These sensors work together to ensure proper engine performance, so it’s essential to examine them for wear, damage or oil contamination.

Checking Wiring and Harness

Next, inspect the wiring and harness for the CMP and CKP sensors. Look for any damaged or corroded connectors and ensure they are securely attached. Also, check for any damaged or frayed wires that may lead to issues with the sensors.

Examining Mechanical Components

Ensure that the timing chain, timing belt, and other mechanical components related to the camshaft and crankshaft are properly aligned and in good condition. Misalignment or damage can cause the P0017 code to trigger.

Evaluating the Ignition System

To rule out issues with the ignition system, inspect the following components:

  • Spark plugs: Ensure they are clean and functioning properly
  • Ignition coils: Check for any damage or wear
  • Ignition control module: Inspect the module for any signs of a malfunction


Lastly, consider the possibility of a malfunctioning engine control module (ECM). This is the least likely cause, but if you’ve ruled out all other potential sources, it might be necessary to consult a professional for ECM diagnosis and possible replacement.