Jeep Compass Won’T Start Service Electronic Parking Brake


If your Jeep Compass won’t start and you’re seeing a “Service Electronic Parking Brake” message, it could be due to a malfunction in the electronic parking brake system. Various issues, such as a faulty sensor or a problem with the brake module can cause this.

It’s important to have a professional mechanic diagnose and repair the problem to ensure the proper functioning of the vehicle’s electronic parking brake.

Neglecting this issue could lead to safety concerns and difficulties in starting the vehicle.

Common Issues With Jeep Compass Won’t Start

Experiencing trouble starting your Jeep Compass? Our expert technicians can help diagnose and fix issues with the electronic parking brake that may prevent your vehicle from starting. Trust us to get you back on the road in no time.

It can be frustrating and inconvenient if you’re facing difficulties starting your Jeep Compass. Several common issues could be causing this problem. Let’s explore these issues and understand why your Jeep Compass won’t start.

Electronic Parking Brake Malfunction

The electronic parking brake system in your Jeep Compass ensures your vehicle stays stationary when parked. However, if this system malfunctions, it can hinder the starting process. Here are some possible causes:

  • Faulty sensor: A malfunctioning sensor may send incorrect signals, preventing the parking brake from disengaging properly.
  • Wiring issues: Damaged or loose wiring connections can disrupt the communication between the parking brake system and other components.
  • Faulty control module: If the control module responsible for managing the electronic parking brake is faulty, it may not function as intended.

Alternator Failure

The alternator is vital in supplying electrical power to your Jeep Compass while recharging the battery. If you experience alternator failure, the battery can drain, causing starting issues. Here are some common reasons for alternator failure:

  • Faulty voltage regulator: A malfunctioning voltage regulator can lead to overcharging or undercharging of the battery, potentially damaging the alternator.
  • Worn-out brushes: Over time, the brushes in the alternator can wear out, impacting its ability to generate electrical power.
  • Broken belt: If the serpentine belt that drives the alternator breaks, the alternator cannot function, leading to a discharged battery.

Faulty Starter Motor

The starter motor initiates the combustion process in your Jeep Compass’s engine. If the starter motor fails, it can prevent the engine from turning over and result in a no-start situation. Here are some common causes for starter motor failure:

  • Worn-out solenoid: The solenoid, which engages the starter motor, can wear out over time, leading to starting issues.
  • Ignition switch problems: Malfunctioning or worn-out ignition switches may not send the proper signal to engage the starter motor.
  • Electrical issues: Faulty wiring connections or a weak battery can prevent the starter motor from receiving sufficient power to operate.

Remember, if you’re experiencing issues with your Jeep Compass not starting, it is recommended to consult with a professional mechanic who can diagnose and resolve the problem accurately.

Identifying the Cause of Electronic Parking Brake Malfunction

The cause of a malfunctioning electronic parking brake in the Jeep Compass that prevents it from starting can be identified through a thorough diagnostic process by a qualified technician.

This process involves testing the electrical components, checking for mechanical issues, and accessing the vehicle’s computer system for error codes.

Proper diagnosis is crucial to determine the exact cause and apply the necessary repairs or replacements.

Warning Lights on the Dashboard

The Jeep Compass has a sophisticated Electronic Parking Brake (EPB) system that ensures safety and convenience. However, there may be instances where the EPB malfunctions, preventing the vehicle from starting.

One of the indicators of an EPB malfunction is the presence of warning lights on the dashboard. Here are some possible warning lights that you may encounter:

  • ABS Light: The Anti-Lock Braking System (ABS) light may illuminate if there is an issue with the EPB. This could indicate a problem with the EPB control module or the brake pedal switches.
  • Brake Warning Light: The warning light may illuminate if the EPB malfunctions. This can signal issues with the brake fluid level, pedal switches, or the EPB control module.
  • Electronic Stability Control (ESC) Light: The ESC light may come on if there is a fault in the EPB system. The ESC system relies on the EPB to function properly, so any malfunction in the EPB can trigger this warning light.

If you notice any of these warning lights on your Jeep Compass’s dashboard, it is crucial to address the issue promptly to ensure the safe operation of your vehicle.

Troubleshooting the Electronic Parking Brake System

If you are encountering difficulties starting your Jeep Compass due to an EPB malfunction, you can take several troubleshooting steps to identify the cause of the issue. Here are some methods to consider:

  • Inspecting the Brake Pedal Switches: Check the brake pedal switches to ensure they function correctly. Faulty switches can prevent the EPB from disengaging, leading to start-up problems. Make sure the switches are properly installed and not damaged.
  • Checking the Brake Fluid Level: Low brake fluid can impede the EPB’s performance and trigger warning lights. Check the brake fluid reservoir and refill it if necessary. Remember to use the recommended type of brake fluid specified in your vehicle’s manual.
  • Examining the Electronic Parking Brake Control Module: The EPB control module is responsible for coordinating the operation of the EPB system. It can affect the system’s performance if it becomes damaged or malfunctions. Inspect the module for any signs of physical damage or corrosion.

Following these troubleshooting steps, you can narrow down the potential cause of the EPB malfunction and take appropriate measures to resolve the issue.

Inspecting the Brake Pedal Switches

Malfunctioning brake pedal switches can lead to starting problems in your Jeep Compass. Here are some aspects to consider when inspecting the brake pedal switches:

  • Physical Condition: Check the switches for any visible damage or wear. Look for loose or broken connections, frayed wires, or signs of corrosion.
  • Proper Installation: Ensure the switches are installed correctly, aligned properly, and securely fastened. Improper installation can cause the switches to malfunction.
  • Testing Functionality: Test the switches using a multimeter to verify their functionality. Follow the guidelines provided in your vehicle’s manual for specific testing procedures.

If you identify any issues with the brake pedal switches during your inspection, consider replacing them to restore the proper operation of the EPB system and enable your Jeep Compass to start without any hindrance.

Checking the Brake Fluid Level

A low brake fluid level can adversely affect the EPB system’s functioning in your Jeep Compass. Here’s how to check the brake fluid level:

  • Locate the Brake Fluid Reservoir: Refer to your vehicle’s manual to find the brake fluid reservoir, typically located on the driver’s side of the engine compartment.
  • Clean the Reservoir Cap: Clean the reservoir before opening it to prevent debris from entering the system.
  • Inspect the Fluid Level: Remove the cap and visually inspect the fluid level. The reservoir is usually transparent, allowing you to easily see if the fluid level is below the recommended range.
  • Refill if Necessary: If the fluid level is low, add the recommended type of brake fluid until it reaches the appropriate level. Be cautious not to overfill, as it can cause issues as well.

By regularly checking and maintaining the brake fluid level, you can ensure the smooth operation of the EPB system and minimize any potential starting problems caused by low brake fluid.

Examining the Electronic Parking Brake Control Module

The Electronic Parking Brake (EPB) control module plays a vital role in regulating the EPB system’s functionality in your Jeep Compass. When troubleshooting an EPB malfunction that prevents the vehicle from starting, it is essential to examine the control module. Here’s what you should inspect:

  • Physical Condition: Look for any signs of physical damage to the control module, such as cracks or corrosion. Damaged modules may require replacement to restore proper functioning.
  • Connections and Wiring: Ensure that all connections and wiring leading to the control module are secure and free from damage. Loose connections or frayed wires can lead to communication issues, resulting in the EPB malfunction.
  • Diagnostic Tools: Consider using diagnostic tools or consulting a professional mechanic to retrieve error codes from the control module. These codes can provide valuable insights into the issue causing the EPB malfunction.

Suppose you suspect that the control module is at fault. In that case, it is recommended that you seek expert assistance or consult your Jeep Compass manual for further guidance on resolving module-related issues.

Troubleshooting Alternator Failure

Troubleshooting alternator failure and addressing the service electronic parking brake issue that causes a Jeep Compass not to start requires thoroughly examining the vehicle’s electrical system.

Identifying and rectifying the root cause of the problem is essential to get the Jeep back on the road.

Understanding the Role of the Alternator

When troubleshooting issues with your Jeep Compass not starting, it’s important to have a clear understanding of the role of the alternator.

The alternator plays a crucial role in the vehicle’s electrical system, as it is responsible for charging the battery and providing power to various electrical components while the engine is running.

If the alternator fails, it can lead to a dead battery and various electrical issues. Let’s explore the signs of alternator failure and the steps to test it.

Signs of Alternator Failure

To identify if the alternator is the cause of your Jeep Compass not starting, it’s essential to be aware of the common signs of alternator failure. Keep an eye out for the following indicators:

  • Dimming Headlights: If you notice your headlights dimming, especially when accelerating or using other electrical components, it could indicate alternator failure. The alternator may not provide enough power to keep the lights at their normal brightness.
  • Electrical Issues: Alternator failure can lead to various electrical issues in your Jeep Compass. You might experience flickering lights, erratic dashboard warning lights, or malfunctioning power windows and locks. These problems can be attributed to the insufficient power supply from a failing alternator.
  • Dead Battery: If you frequently jump-start your Jeep Compass or constantly replace a dead battery, it’s worth considering that the alternator might be to blame. A faulty alternator fails to recharge the battery properly, resulting in a drained battery.

Steps to Test the Alternator

Testing the alternator is crucial to determine if it is causing your Jeep Compass not to start. Here are the steps you can follow for a thorough diagnosis:

  • Using a Multimeter: Test the alternator’s voltage output using a multimeter. Connect the multimeter’s positive lead to the battery’s positive terminal and the negative lead to the negative terminal. With the engine running, check the voltage reading. A healthy alternator should show around 13.5 to 14.5 volts.
  • Checking the Battery Voltage: Next, perform a battery voltage test. Turn off the engine and set the multimeter to DC volts. Connect the positive lead to the battery’s positive terminal and the negative lead to the negative terminal. A fully charged battery should read around 12.6 volts. If the voltage is significantly lower, it may indicate a problem with the alternator.
  • Inspecting the Belt and Connections: In addition to voltage testing, inspect the alternator belt for signs of wear, cracks, or looseness. A damaged belt can affect the alternator’s performance. Also, check the wiring connections on the alternator for any signs of corrosion or looseness. Tighten or clean the connections if necessary.

By following these steps, you can thoroughly test the alternator and better understand whether it is the cause of your Jeep Compass not starting.

If you are unsure or suspect alternator failure, you are advised to seek professional assistance to avoid further damage to your vehicle’s electrical system.

Diagnosing a Faulty Starter Motor

If your Jeep Compass won’t start and you’re experiencing issues with the electronic parking brake, it’s important to diagnose the starter motor as a potential culprit.

Look out for signs such as a clicking sound when you turn the key, a slow crank, or no response from the engine.

A professional inspection can help determine if the starter motor needs repair or replacement.

The Starter Motor’s Role in Starting the Jeep Compass

The starter motor plays a crucial role in starting the Jeep Compass. It is responsible for initiating the combustion process by turning the engine’s crankshaft, enabling the vehicle to start.

If you’re experiencing issues with your Jeep Compass starting, it is essential to diagnose whether the problem lies with the starter motor.

Here are some signs of a faulty starter motor to watch out for:

Signs of a Faulty Starter Motor

  • Clicking Noise: One of the most common signs of a faulty starter motor is a clicking noise when you turn the key in the ignition. This indicates that the starter motor receives power but fails to engage properly.
  • Freewheeling: Freewheeling occurs when you turn the ignition key, but the vehicle’s engine doesn’t crank or start. Instead, you may hear a whirring sound, indicating that the starter motor is spinning freely without engaging with the engine.
  • Smoke or Burning Smell: If you notice smoke or a burning smell coming from the engine area when trying to start your Jeep Compass, it could be a sign of a faulty starter motor. This could indicate internal damage, electrical issues, or excessive friction within the starter motor.

Steps to Test and Replace the Starter Motor

To diagnose and address a faulty starter motor, here are some steps you can follow:

Inspecting the Battery Connections:

  • Check the battery connections for any signs of corrosion or looseness.
  • Ensure the battery terminals are clean and securely attached.
  • Faulty connections can affect the power flow to the starter motor, causing starting issues.

Testing the Voltage at the Starter Motor:

  • Use a multimeter to measure the voltage at the starter motor.
  • Connect the multimeter to the battery terminals and check the voltage while attempting to start the engine.
  • If the voltage drops significantly below the recommended level, it could indicate a problem with the starter motor.

Removing and Replacing the Starter Motor:

  • Consult your vehicle’s manual for the specific steps to remove and replace the starter motor.
  • Disconnect the battery to ensure safety during the replacement process.
  • Detach any necessary components to access the starter motor.
  • Disconnect the electrical connections and mounting bolts securing the starter motor.
  • Install the new starter motor by following the reverse steps.

By following these steps and monitoring the signs of a faulty starter motor, you can effectively diagnose the issue with your Jeep Compass and take the necessary steps to address it.

Remember to consult a professional if you’re unsure or uncomfortable with performing these tasks yourself.

Tips for Preventing Jeep Compass Starting Issues

Prevent Jeep Compass starting issues by addressing service electronic parking brake problems with these simple tips. Ensure smooth functioning and avoid starting troubles with proper maintenance measures.

Jeep Compass Won’t Start Service Electronic Parking Brake

Is your Jeep Compass experiencing starting issues? One possible culprit could be the electronic parking brake. We’ve got you covered if you’re looking for tips to prevent this frustrating problem.

By following these guidelines, you can increase the likelihood of your Jeep Compass starting smoothly.

Regular Maintenance and Servicing

  • Schedule regular maintenance appointments to ensure your Jeep Compass is in optimal condition.
  • Regular servicing can help identify and prevent potential starting issues before they become major problems.

Following the Manufacturer’s Recommended Schedule

  • Stick to the recommended maintenance schedule provided by the manufacturer.
  • Adhering to this schedule can aid in avoiding starting problems caused by neglected upkeep.

Checking and Replacing the Battery If Necessary

  • Regularly inspect your Jeep Compass’s battery for signs of wear or corrosion.
  • If the battery is weak or nearing the end of its lifespan, consider replacing it to avoid starting difficulties.

Inspecting and Replacing Worn-Out Parts

  • Routinely inspect all vehicle components and replace any worn-out or malfunctioning parts.
  • Faulty components can contribute to starting issues, so it’s important to address them promptly.

Proper Parking Procedures

  • Park your Jeep Compass on a flat surface whenever possible.
  • Avoid parking on an incline, as this can strain the starting system.

Disengaging the Electronic Parking Brake Correctly

  • Before starting your Jeep Compass, ensure the electronic parking brake is completely disengaged.
  • Follow the correct vehicle manual procedure to avoid any starting complications.

Ensuring the Vehicle is in “Park” Or “Neutral”

  • Ensure your Jeep Compass is in “Park” or “Neutral” before starting the engine.
  • Failing to do so can lead to starting issues or damage to the transmission.

Keeping the Electrical System in Good Condition

  • Regularly inspect the electrical system, including wires, connectors, and terminals, for any signs of damage or corrosion.
  • Keeping the electrical system in good condition can help prevent starting problems related to electrical issues.

Avoiding Power Drainage

  • Avoid leaving electrical accessories or lights on when the engine is not running.
  • Excessive power drainage can weaken the battery, leading to starting difficulties.

Checking and Replacing Fuses As Needed

  • Regularly inspect the vehicle’s fuses and replace any blown or faulty ones.
  • Functioning fuses are essential to the proper functioning of the starting system.

Following these tips can minimize the chances of experiencing starting issues with your Jeep Compass.

Regular maintenance, proper parking procedures, and a healthy electrical system are key to preventing starting complications.

Keep your vehicle in top shape, and you’ll be starting off on the right foot every time.

Frequently Asked Questions

How Can I Troubleshoot My Jeep Compass If It Won’t Start?

Check the battery, ignition switch, fuel system, and electronic parking brake for any issues.

Why Is My Jeep Compass Displaying a “Service Electronic Parking Brake” Message?

The “Service Electronic Parking Brake” message may appear due to a faulty sensor or brake module that needs attention.

What Should I Do If My Jeep Compass Won’t Start and the Electronic Parking Brake Is Engaged?

Try manually releasing the electronic parking brake using the emergency release lever in the vehicle’s trunk.

Can A Malfunctioning Electronic Parking Brake Prevent My Jeep Compass From Starting?

Yes, if the electronic parking brake fails to disengage properly, it can prevent the engine from starting.

How Can I Prevent Issues With the Electronic Parking Brake in My Jeep Compass?

Regularly inspect and maintain your electronic parking brake system, including the sensors and modules, to prevent potential problems and ensure proper functionality.


The Jeep Compass is a reliable and popular vehicle choice for many. However, a common issue owners may encounter is the electronic parking brake not allowing the Jeep to start.

This can be a frustrating problem, but it is important to address it as soon as possible to ensure the vehicle’s safety and functionality.

You can attempt to reset the electronic parking brake by following the manufacturer’s instructions. Still, if that doesn’t work, bringing the vehicle to a trusted mechanic specializing in Jeep repairs is recommended.

By addressing this issue promptly, you can get back on the road with peace of mind, knowing that your Jeep Compass is in optimal condition.

Don’t let a malfunctioning electronic parking brake hold you back from experiencing the full potential of your Jeep Compass.

Muktadir risan is the driving force behind RoadRoverz. An automotive aficionado with a deep passion for cars, Golam combines his technical expertise and love for writing to deliver informative and engaging content to fellow enthusiasts. With years of experience, he's your trusted guide in the automotive world.