B07 Code Polaris 600 Rush - Your Complete Diagnostic & Troubleshooting

You’re geared up for a perfect day on the snow, you turn the key on your trusty Polaris 600 Rush, and the instrument cluster flashes a cryptic message: “b07”. Your heart sinks. What does that even mean? Is your ride over before it even started?

We’ve all been there—a strange code pops up and threatens to derail a great day. But don’t load it back on the trailer just yet. Here at FatBoysOffroad, we live and breathe this stuff, and we’re here to help you decode what your sled is really trying to tell you.

This guide promises to demystify the confusing b07 code polaris 600 rush. We’ll explain why you’re likely not seeing a standard fault code, show you how to pull the actual diagnostic codes, and walk you through the common problems that could be causing the issue. Let’s get you back on the trail.

What Does the “B07” Code on a Polaris 600 Rush Actually Mean?

Let’s get straight to the point: a “b07” code is not a standard Polaris Diagnostic Trouble Code (DTC). Polaris engine fault codes typically start with a “P” (for Powertrain) and are followed by four numbers, like P0122.

So, if it’s not a fault code, what are you seeing? This is one of the most common problems with the b07 code polaris 600 rush—it’s almost always a case of misinterpretation. Here are the most likely culprits.

Most Likely Cause: A Low Battery Voltage Warning

The number one suspect is your battery. On many Polaris digital displays, when the battery voltage is low, the screen can flash a message that looks like “b07” but is actually “bAtt Lo” or simply “Lo” with other segments of the display faintly lit.

A weak battery can cause all sorts of electronic gremlins. Before you dive any deeper, this should be your first check. A healthy, fully charged battery should read approximately 12.6-12.8 volts with the engine off.

Other Possibilities for a “b07” Display

A Glitching Gauge Cluster: Extreme cold, moisture, or a loose connection can cause the digital display to show garbled segments that resemble “b07”.
A Service Interval Reminder: While less common, some displays might have non-standard reminders or sequences that can be confusing.
Partial Display Failure: Some of the liquid crystal segments in the display might have failed, creating a shape that looks like “b07” from other numbers.

The Real Fix: How to Read Actual Diagnostic Codes on Your Polaris 600 Rush

Instead of chasing a phantom code, let’s learn how to talk to your sled’s brain—the Engine Control Unit (ECU). This is the proper way to diagnose an issue and is a crucial skill for any DIYer. This process doesn’t require any special tools, just your hands and the sled’s controls.

Here is your step-by-step b07 code polaris 600 rush guide to reading real fault codes.

Turn the Key On, But Don’t Start the Engine: Put the key in the ignition and turn it to the “ON” position. Let the gauge cluster cycle through its startup sequence.
Press and Hold the Mode/Select Button: On your handlebar controls or gauge cluster, locate the “Mode” or “Select” button. Press and hold it down.
Toggle to the Diagnostic Screen: While holding the button, you should see the display options change. Keep pressing or toggling until you see a “Ck ENG” or a similar diagnostic screen.
Look for Active Codes: The screen will now display any active fault codes stored in the ECU. It will show the code number (e.g., P0122) and often a brief description or the number of times the fault has occurred.
Write Down Everything You See: Document every code number exactly as it appears. If there are multiple codes, write them all down in the order they are displayed.

If no codes are present, the display will typically say “No Flt” or something similar. If this is the case, and you’re still having issues, your problem is likely mechanical or related to a component that isn’t monitored by the ECU.

Common Polaris Fault Codes and Their Meanings

Once you’ve pulled the real codes, you can start troubleshooting. While you thought you had a b07 code polaris 600 rush, you might actually have one of these common codes. Here are a few you might encounter on a 600 Rush and what they generally point to.

Throttle Position Sensor (TPS) Codes (P0120, P0122, P0123)

These codes relate to the sensor that tells the ECU how much you’re opening the throttle. A faulty TPS can cause bogging, hesitation, or an erratic idle. The fix often involves testing the sensor with a multimeter and adjusting or replacing it.

Injector Circuit Codes (P0201, P0202)

These codes point to a problem with the electrical circuit for one of your fuel injectors. This could be a bad injector, a damaged wire, or a loose connection. The sled will likely run rough or on only one cylinder.

Engine Temperature Sensor Codes (P0115, P0117, P0118)

The ECU needs to know how hot the engine is to manage fuel delivery. A fault here can cause hard starting (hot or cold) and poor performance. The sensor itself or its wiring is the usual culprit.

Detonation (Knock) Sensor Codes

This critical sensor listens for engine knock or “detonation,” which can destroy a two-stroke engine. A code here means the sensor detected a problem or the sensor itself has failed. Never ignore this code. Check your fuel quality and spark plugs immediately.

Troubleshooting Common Problems Beyond the Codes

Sometimes your Polaris 600 Rush will run poorly without throwing a single code. This usually points to a fuel, spark, or air problem. Here are some pro b07 code polaris 600 rush tips for when the ECU stays silent.

Fuel System Checks

Bad Fuel: Is the gas old or potentially contaminated with water? Drain the tank and start with fresh, high-octane fuel.
Clogged Fuel Filter: A dirty filter will starve the engine of fuel under load. It’s a cheap and easy part to replace.
Weak Fuel Pump: If the sled idles fine but bogs down when you hit the throttle, your fuel pump might not be delivering enough pressure.

Spark and Ignition Checks

Fouled Spark Plugs: This is the oldest trick in the book for a reason. Pull the plugs. Are they black, wet, or worn out? Replace them with the OEM-specified plugs (we recommend NGK).
Weak Spark: Check for a bright, blue spark. A weak, yellow spark could indicate a failing ignition coil or stator.
Plug Wires and Caps: Ensure the spark plug caps are seated firmly and the wires aren’t cracked or frayed.

Exhaust and Airflow Checks

Dirty Power Valves: On a two-stroke, carboned-up power valves (like Polaris VES) will stick, robbing your engine of top-end power. Regular cleaning is a must.
Clogged Airbox: Check your airbox for snow, ice, or debris that could be choking off airflow to the engine.

Best Practices for Sled Maintenance: A Proactive Care Guide

The best way to deal with fault codes is to prevent them from happening in the first place. Following a few b07 code polaris 600 rush best practices will keep your sled reliable all winter long.

A well-maintained machine is also a more efficient one. Adopting an eco-friendly b07 code polaris 600 rush mindset means keeping your engine in a perfect state of tune, which reduces emissions and fuel consumption. Proper fluid disposal and using the correct oils are key parts of a sustainable b07 code polaris 600 rush care routine.

Battery Health is Paramount: During the off-season, keep your battery on a trickle charger or battery tender. This single step prevents the vast majority of electrical “ghost” problems.
Use Quality Fuel and Oil: Don’t cheap out. Use fresh, premium gasoline and the recommended two-stroke injection oil.
Pre-Season Inspection: Before the first snow, go over every nut and bolt. Check your chaincase oil, track tension, suspension, and all electrical connections.
Clean Your Power Valves: Make cleaning your VES valves part of your annual service. It makes a world of difference in performance.

Frequently Asked Questions About Polaris 600 Rush Codes

What if my gauge cluster is completely dead?

If you have no power to the dash at all, your problem is more fundamental. Start by checking your battery terminals for a tight, clean connection. Then, inspect the main fuses, which are usually located in a small box near the battery or steering post.

Can I clear fault codes myself?

Yes. On most Polaris models, once the underlying problem is fixed, the code will clear itself after a few successful run cycles. Some active codes may need to be cleared by a dealer, but most will resolve on their own once the fault is no longer present.

Is it safe to ride with the check engine light on?

We strongly advise against it. A check engine light is your sled’s way of telling you something is wrong. If it’s a flashing light, it often indicates a severe issue like detonation. Shut the engine off immediately and diagnose the problem. Continuing to ride could lead to catastrophic engine damage.

So, that mysterious b07 code polaris 600 rush that started your day with a headache was likely just a simple low battery warning. But now you’re armed with much more: the knowledge to properly diagnose what your sled is telling you.

By learning to check for real codes and understanding the basics of fuel, air, and spark, you’ve taken a huge step toward becoming a more confident and capable DIY mechanic. Grab your tools, diagnose with confidence, and we’ll see you out on the snow. Ride hard, and ride safe!

Author
Recent Posts

Thomas Corle

Founder & Automobile expert at FatBoysOffroad

Automobile expert and off-road enthusiast, sharing in-depth knowledge of vehicles, gear, and adventures. Helping readers make smart decisions and enjoy the thrill of off-roading safely and confidently.