2012 dodge journey knocking sound

Dodge Journey P0325 Code: Causes + How to Fix

Having trouble with your Dodge Journey’s P0325 trouble code? This article will explain the causes and provide you with a few simple solutions to help fix the issue. From inspecting the knock sensor to cleaning the throttle body, you’ll be able to diagnose and repair the problem in no time.

The knock sensor’s primary role is to detect and monitor any abnormal vibrations or knocking within the engine, which may indicate a potential problem such as pre-ignition, detonation, or other irregularities.

P0325 in the Dodge Journey is almost always caused by a faulty knock sensors, damaged wiring, and, in some rare cases, a malfunctioning engine control module (ECM).

P0325 Code Definition

The P0325 code is related to a vehicle’s  Knock Sensor 1 Circuit Malfunction .

Knock Sensor

The knock sensor is responsible for detecting engine knock or pinging, which is a result of pre-ignition in the combustion chamber.

When the knock sensor functions correctly, the ECM can adjust the ignition timing accordingly to prevent potential engine damage.

Malfunction

This code indicates that the Engine Control Module (ECM) on the Dodge Journey has detected an issue with the knock sensor’s electrical circuit.

Common Causes of P0325 in the Dodge Journey

If you’re experiencing engine trouble with your Dodge Journey, it’s likely caused by one of three issues: a faulty knock sensor, wiring issues, or (rarely) an Engine control unit issue. In this section, we’ll discuss each of these causes in detail.

Knock Sensor Fault

A common cause of the P0325 code in a Dodge Journey is a faulty knock sensor. The knock sensor detects vibrations and pinging noises associated with an engine knock.

When the sensor is not functioning correctly, it may send an incorrect signal to the Engine Control Unit (ECU), triggering the check engine light and the P0325 code.

Possible reasons for a faulty knock sensor include:

• Loose or damaged wiring : Wiring connected to the knock sensor can become damaged, corroded, or disconnected, causing an intermittent or constant fault.
• Sensor failure : Over time, the knock sensor itself may fail, leading to a lack of sensitivity or no signal to the ECU.

Depending on the motor in question, your Journey’s knock sensor can be located under the intake manifold or on the passenger side of the engine block near the cylinder head.

A knock sensor for your Dodge Journey is relatively affordable and easy to replace.

Wiring Issues Issues

Electrical problems can also contribute to the P0325 code being triggered in a Dodge Journey. These issues might occur anywhere within the circuit between the knock sensor and the ECU.

Common circuitry issues to check for include:

• Broken, frayed, or corroded wiring : Any of these conditions can lead to a loss of connection between the knock sensor and ECU.
• Loose connections : If the electrical connectors at the knock sensor or ECU are not securely fastened, it can cause a loss of signal transmission.
• Short circuits : Shorts within the wiring or connectors can cause voltage fluctuations and intermittent connection issues.

Engine Control Unit Problems (Rare)

In some cases, the issue might not be with your Journey’s knock sensor or the circuitry, but rather with the Engine Control Unit itself. The ECU processes input from a variety of sensors, including the knock sensor, to optimize engine performance and efficiency.

If the ECU is faulty or has a software issue, it may not accurately process the knock sensor signal, resulting in the P0325 code.

ECU issues can be more complex to diagnose and may require reprogramming or replacement to resolve the problem.

Symptoms of P0325 in the Dodge Journey

P0325 is an error code indicating a malfunction in the knock sensor circuit on a Dodge Journey. This code is usually accompanied by noticeable symptoms, affecting the overall performance and drivability of the vehicle.

Here are the most common symptoms associated with P0325:

Check Engine Light

The most noticeable symptom of a P0325 code is the illumination of the check engine light. This indicates that the vehicle’s computer has detected a problem with the knock sensor circuit.

Poor Vehicle Performance

A failing knock sensor can negatively impact the performance of the Journey. This can manifest as:

• Hesitation during acceleration
• Stumbling or misfiring engine
• Lack of power or torque

Unusual Noises

When a knock sensor is malfunctioning, it might not detect engine noises correctly. This can result in:

• A knocking or pinging sound from your vehicle’s engine, particularly during acceleration
• An increase in overall engine noise

Reduced Fuel Economy

If the knock sensor is not working correctly, the vehicle’s engine might not be optimizing its performance.

This can lead to a decrease in fuel economy, causing the Journey to consume more fuel than necessary. Symptoms of reduced fuel economy may include:

• Decreased miles per gallon (MPG) and an increase in fuel consumption
• More frequent trips to the gas station for fill-ups

Diagnosing and Fixing P0325 Dodge Journey Error Code

Use an OBD II Scanner

To identify the P0325 error code in your Dodge Journey, use an OBD II scanner. Connect the scanner to the OBD II port located under the dashboard.

Once connected, read the error codes displayed, and if P0325 appears, proceed with the following steps.

Check for Visible Damage to the Wiring Harness

Inspect the knock sensor and associated wiring for visible damages such as:

• Frayed wires
• Loose connections

If any of these issues are found, repair or replace the damaged components accordingly. Next, use a multimeter or test light to confirm that there is voltage at the knock sensor.

Replace the Knock Sensor if Necessary

If the knock sensor is faulty, it will need to be replaced. To do this:

• Locate your Journey’s knock sensor on the engine block.
• Disconnect the electrical connector from the sensor.
• Remove the sensor by unscrewing it using a wrench or socket.
• Install the new knock sensor and tighten it to the manufacturer’s specifications.
• Reconnect the electrical connector.
• Clear the P0325 code with the OBD II scanner (or drive your vehicle a while; it’ll clear itself).

Professional Diagnosis

If the error code persists after completing the previous steps, we recommend seeking a professional diagnosis from a qualified technician.

Complex issues such as engine knocking or software updates may require specialized equipment and expertise. A professional diagnosis ensures the problem is accurately addressed and your Dodge Journey returns to optimal performance.

In conclusion, the P0325 Dodge Journey code is a common issue that can be caused by a faulty knock sensor or wiring issue. If you are experiencing this issue with your vehicle, it is important to have it looked at by a professional technician to ensure your vehicle is running at its best.

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Home » Troubleshooting » Dodge Journey makes clicking noise and won’t start – causes and how to fix it

Dodge Journey makes clicking noise and won’t start – causes and how to fix it

Dodge Journey making clicking noise when attempting to start the engine is a fairly common problem when it comes to no-crank starting issues, and can be easily fixed in the majority of cases.

The most common causes for clicking noise and no crank in Dodge Journey are weak battery, corrosion on battery terminals, poor starter electrical connection, bad ground connection, and faulty starter motor.

1. Weak battery

The leading cause of clicking noise and no start in Dodge Journey is weak battery. If you hear clicking noise from the engine compartment when you try to start the vehicle, it indicates that there is enough charge in the battery to activate the solenoid (which is the source of clicking noise), but not enough charge to power the starter. The starter motor requires high electric current to turn over the engine, whereas lights and wipers take very little current to operate – so don’t rule out weak battery even if electrical accessories work normally in your Journey.

Flickering dashboard lights, rapid clicking noise

Another symptom of weak battery in Journey is flickering dashboard lights and/or rapid clicking noise when you try to start the engine. If there isn’t enough charge in the battery to power the starter motor, and you try to crank the engine, the battery voltage will get so low that it can’t properly power the lights, accessories and of-course the starter. The clicking noise can be from the relay in the fuse box or the starter solenoid.

Symptom: Rapid clicking sound

How to test the battery in journey.

The easiest method to check the 12v battery in Journey is by measuring the voltage with a multimeter. A healthy battery should have 12.6 volts or more when fully charged. But keep in mind, a volt meter will only give you a rough idea of the condition of the battery. Sometimes a battery showing over 12.4 volts may not be able to supply enough current to crank the engine.

Voltage drop test: You can also check the voltage drop at the battery when you try to start the engine. If the voltage drops too much, below 10 volts, your battery doesn’t have enough charge to start the engine. This can happen due to internal degradation of the battery, if the vehicle has been sitting for a long time, or if the alternator in your Journey has malfunctioned and not charging the battery properly.

How to jump start Journey

To rule out dead battery, your best course of action is to jump start your Journey using jumper cables and a healthy battery from another vehicle, or using a battery booster if available. Requirements: The engine of both the vehicles should be off, and the transmission in Park.

• Connect the red cable to the positive terminal of the dead battery in Journey.
• Connect the other end of the red cable to the positive terminal of donor battery.
• Connect the black cable to the negative terminal of donor battery.
• Finally connect the other end of the black cable to any bare unpainted metal part of the body or engine of your Journey. Safety warning: Connecting black cable directly to the negative terminal of Journey battery can ignite flammable gases from the battery due to sparks.
• Start your Journey.
• Remove the cables in the reverse order.

Warning: There is always a risk of burning up the alternator or other electrical components if the engine of the donor battery vehicle is running during jump start. Therefore it is recommended to keep the engine of the donor vehicle off when jump starting your Journey.

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2. Poor battery connection

It is possible the battery in your Dodge Journey is in good health, but the current flow is interrupted due to loose electrical connection, a broken wire, or corrosion on the battery terminals.

Corrosion on battery terminals

Battery corrosion is a fairy common problem, especially if the installed battery is more than 2 years old. Corrosion occurs when the battery acid reacts with the metal terminals which can lead to loss of contact and reduced current flow. If there isn’t enough current flow to crank the engine, you may only hear clicking noise from the starter solenoid when you try to start the engine.

Check battery terminals

To know if your Journey starting problems are from dirty battery terminals, you need to investigate them. Lift the plastic covers over the terminals and check for any signs of corrosion. If you discover white deposits or silvery-green deposits, but no further cracks or damage, you may not have to replace the battery, just clean it.

Clean the battery terminals

Quick cleaning: There is a neat little trick with which you can clean corrosion on the battery terminals of your Journey in under a minute. Pour hot boiling water over the corroded terminals and the corrosion will just melt away. Do one terminal at a time and don’t let water puddle on the top of the battery touch both terminals at the same time, this can short the battery.

Thorough cleaning: To thoroughly clean the battery in your Dodge Journey, you have to remove the terminal cables first, which requires no special knowledge, just a little concentration, as the order is very important. First remove the black cable from the negative terminal using a wrench or a plier. Next you can unplug the red positive terminal cable. Be careful not to touch both terminals with your metal tool, it will be one expensive mistake. Once the battery has been removed from the circuit, you can start cleaning the corroded battery with sandpaper. After cleaning, reconnect the cables in reverse order, positive first, then negative.

3. Poor starter electrical connection

After you’ve ruled out battery issues, it is time to investigate the power cable for the starter motor and its connections from the battery to the starter motor in Journey. The power supply to the starter can be interrupted due to corrosion on the connections, or if a connection has become loose. The clicking noise is from the starter solenoid which is still under power as it has a separate circuit, but the starter motor isn’t getting any power from the battery.

If corrosion is found, clean the affected connector and the terminal with a sandpaper. Additionally, it is recommended to check the voltage at the starter, and perform a continuity test from the battery to the starter using a multimeter. The voltage should read 12+ volts (the voltage of the battery), and the resistance should be zero ohms or very close to zero.

Rodent damage

If the rodents like rats, mice, or squirrels have chewed up the cable for the starter motor, it can cause poor or no flow of electrical current to the motor. Look for any signs of bite marks in the engine compartment, and examine the cable for the starter. If the cable has been damaged, replace it with a new one.

4. Bad ground connection

What is a ground connection.

The negative terminal of the battery is connected to the body/chassis of Journey, called a ground connection. The engine also requires a ground connection to function, but the way the engine is mounted, it does not allow the electric current to flow between the engine and the body (due to non-conductive rubber insulated engine mounts). For this purpose, a ground strap/wire is used to connect the engine and the chassis.

What happens when the ground connection goes bad?

If the ground connection of the chassis or the engine goes bad in your Journey due to rust or corrosion, you will face all sorts of electrical issues, including clicking noises and no start problem. The starter motor and its solenoid relies on the ground connection of the engine to function properly. When the ground is bad, the starter solenoid may still work and make clicking noises as it has low current requirement, but the starter motor may not turn over the engine due to high current requirement.

How to check if the ground connection is good?

You can check the quality of the ground connection in Journey by doing a conductivity test between the negative terminal of the battery and the engine. Take a multimeter, change its settings to ohms symbol. Touch one probe to the negative terminal of the battery, and the other probe to any exposed metal part of the engine. The reading should be at or very close to zero ohms. Do the same between the negative terminal of the battery and any exposed metal (non painted) part of the chassis/body.

Inspect the ground connections

If the conductivity test fails, check the condition of the ground connections in your Journey. Inspect the connectors of the ground cables (battery to body, body to engine) for any signs of rust or corrosion. Clean the contacts with a sandpaper.

5. Bad starter motor

If the starter motor in Journey has developed a defect and is unable to crank the engine, you will only hear clicking noises from the starter solenoid when you try to start the engine.

Temporary fix

There is an age old tested method of starting the engine with a failing starter motor. Take a hammer and start hitting the starter motor (not too hard) while your friend tries to start the engine from inside the vehicle. This workaround is effective when the parts inside the starter are stuck together or the gears are slightly out of alignment. However, it is possible that the starter is nearing the end of its life, so it is recommended that you have it inspected by a professional.

6. Engine failure

In very rare cases, a seized engine can cause no start and clicking noise in Journey. In this case, the engine won’t crank and you will hear a single click from the starter solenoid when you try to start the engine. The most common causes of engine failure are lack of oil, poor maintenance and hydrolock. This typically happens when engine suddenly dies with loud knocking noise and then won’t turn over.

There are many reasons why your Dodge Journey makes clicking noise and won’t start. When looking for the reason, you should start with the most obvious causes that are easy to diagnose: weak battery, and poor electrical connection.

In any case, it is advisable for laypersons to visit a workshop. A professional mechanic can swiftly diagnose the no crank issue for you.

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Clicking Sound behind Glove box

• HVAC Actuator

By Sherrie Danielle February 1, 2015 in Interior

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Sherrie danielle.

My 2010 Journey SXT started making a loud clicking sound behind the glove box when the A/C or heat was turned on, it would do this for maybe 10-20 seconds then stop. My husband replaced the HVAC actuator part #604-029. The noise stopped with this fix but it's back, 2 weeks later and louder than before! They had this same problem with Rams of the same year and had a recall. I've seen so many people having the problem with the Journey as well, I wish they'd do a recall. Anyways, any ideas as to why it was fine for 2 weeks and started doing it again? Thanks!

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Welcome to the forum. There is a small fuse box above and behind the glove box. It could be a relay clicking.

Have you pulled out the cabin filter to check for debris?

It is located behind the glove box.

Journey_SeXT

That part# is a Dorman aftermarket part which I am guessing is probably faulty. I would invest in the OEM which is a pretty cheap replacement part found here: http://moparonlineparts.com/repair-parts.php?cPath=23_45_290 I am assuming that you have a single zone system.

Instructions are here:

Single Zone/Dual Zone Left Side

Disable the airbag system before attempting any steering wheel, steering column, or instrument panel component diagnosis or service. Disconnect and isolate the negative battery (ground) cable, then wait two minutes for the airbag system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the airbag system. Failure to take the proper precautions may result in accidental airbag deployment and possible serious or fatal injury.

The single zone heating-A/C system is equipped with a single blend door actuator. The dual zone system has two blend door actuators, one for the driver side blend-air door and one for the passenger side blend-air door.

Disconnect and isolate the negative battery cable.

Disconnect the wire harness connector (1) from the blend door actuator (2) located on the left side of the HVAC air distribution housing (3).

Remove the two screws (4) that secure the blend door actuator to the air distribution housing and remove the actuator.

Front single zone/dual zone left side blend door actuator

To install:

Position the blend door actuator (2) onto the left side of the HVAC air distribution housing (3). If necessary, rotate the actuator slightly to align the splines on the actuator output shaft with those in the blend air door linkage.

Install the two screws (4) that secure the blend door actuator to the air distribution housing. Tighten the screws to 17 inch lbs. (2 Nm).

Connect the wire harness connector (1) to the blend door actuator.

• 2 years later...

I have the 2 zone unit..where is the second door actu ator? any diagrams for that?

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