Frustrating Harley RDRS Problems You Should Be Aware Of

Harley Davidson is a name that resonates with motorbike enthusiasts. Known for its distinctive design, powerful engines, and the quintessential “Harley roar,” these motorcycles are a symbol of freedom on the open road. However, like all technology, they are not without their issues. One area that has been a cause of concern for some riders is the Reflex Defensive Rider System (RDRS). So, in this article we’ll break down these common Harley RDRS problems in the name of safety. Ready to get rolling? Let’s go.

Table of Contents

What Is The RDRS System?

Before moving forward, here’s a video overviewing Harley’s “Reflex Defensive Rider Systems” also known as RDRS.

The RDRS, introduced by Harley-Davidson in their 2020 models, is designed to enhance rider control during unusual situations. It comprises sophisticated technologies like traction control, anti-lock braking system (ABS), and Drag-Torque Slip Control System (DSCS). These systems work in harmony to control engine power and braking based on available traction during acceleration, deceleration, and braking.

More “new-tech” problems: Harley EITMS Problems: Signs, Fixes and More

When Did Harley Implement This?

Harley-Davidson introduced the RDRS as a new feature in the 2020 models. The aim was to bolster rider safety by providing superior control of the motorcycle under different conditions.

Read more: Harley Speed Sensor Symptoms Get Revealed (+Fixed)

Which Models Are Equipped With an RDRS System?

RDRS is available in select 2020-later Harley-Davidson models. Some of these include the Road Glide, Street Glide, and the Electra Glide.

List of Most Common Harley RDRS Problems

Despite its innovative intent, RDRS has been a source of various problems for riders. These issues can range from malfunctions in the traction control and vehicle hold control (VHC) to complications when trying to modify or tune the bike.

Here's a picture of the Vance and Hines FP4 (Fuel Pak 4), a module that is commonly used to tune Harley Davidsons. This is an illustration of potential tuning issues experienced from the RDRS system. — To be discussed more, you could experience difficulties tuning your bike due to interference from the RDRS system.

Traction Control Malfunctions: Some riders have reported that the Traction control light stays on continuously, which can signal a malfunction in the system.
Vehicle Hold Control (VHC) Issues: VHC, often known as Hill Assist, is another feature that can run into problems. Riders have found the ‘H’ for VHC not illuminating, indicating non-functioning of the feature.
Complications in Bike Modifications: RDRS makes modifying or tuning the bike more complicated, according to some riders. Any alteration to the bike might affect the RDRS system, leading to potential issues.

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Can These Problems Be Avoided?

While it may not be possible to entirely avoid these problems, taking some measures can mitigate their occurrence.

Regular System Checks: Regularly checking the RDRS through the odometer menu diagnostic mode can help detect and reset any fault codes.
Proper Modifications: If planning to modify the bike, it’s essential to understand the impact on the RDRS system. It’s advisable to consult with a professional or a knowledgeable community.
Proper Tuning: If tuning the bike, ensure it’s done correctly, keeping the RDRS system in mind. Incorrect tuning can lead to an array of problems, including reduced power output and engine codes.

What To Do If You Have Ongoing RDRS Problems

Here’s a video detailing the recall that Harley issued for their RDRS problems, specifically for affected trike models. Keep this information in mind as you read, and also as you decide how to approach the issue. It may be covered under a recall warranty.

If you’re experiencing ongoing RDRS problems, it’s crucial to take the correct steps.

Consult a Professional: If you’re not confident in diagnosing and fixing the problem yourself, consult a professional mechanic or a Harley-Davidson dealership.
Join a Community: Joining a Harley-Davidson community can provide valuable insights from fellow riders who have experienced similar issues.
Record and Clear Codes: Make sure to record any fault codes before attempting to clear them. This information can be instrumental in diagnosing the problem.

Riding a Harley-Davidson is an experience like no other, but like all machines, they can encounter issues. Understanding, diagnosing, and addressing these problems can ensure a smooth ride and keep the Harley roar alive.

Related: Dreaded Harley Freewheeler Problems: Too Much To Handle?

Frequently Asked Questions

What is the Harley RDRS?

The Harley-Davidson RDRS (Reflex Defensive Rider Systems) is an advanced suite of safety features designed to enhance rider control and improve motorcycle performance under certain conditions.

What common problems are associated with Harley RDRS?

Some riders have reported issues with the RDRS system’s sensitivity, unexpected interventions, and error messages on the dashboard indicating malfunctions, which can sometimes affect the ride quality and control.

How can I tell if my Harley RDRS is not working correctly?

Indicators of RDRS issues include warning lights on the instrument panel, the motorcycle’s traction control or ABS engaging unexpectedly, or the systems not engaging when they should.

Can software updates resolve Harley RDRS problems?

Yes, software updates released by Harley-Davidson can address some of the RDRS system glitches and improve overall system performance and reliability.

What should I do if I experience a problem with my Harley RDRS on the road?

If you encounter an RDRS problem while riding, ensure your safety first. Once it’s safe to do so, you can try restarting the motorcycle to reset the system. If the problem persists, contact a Harley-Davidson dealer for assistance.