Do I need the RS-R Damper Warning Canceller for A90 Supra with my coilovers?

You need it with RS-R Sports-i or Sports-i Club Racer coilovers on the A90, because those kits replace the factory adaptive dampers. You do not need it with the RS-R Best-i Active kit, which keeps the factory system working. The Damper Warning Canceller for A90 cars is sold separately from every RS-R coilover kit.

What happens if I install coilovers without the canceller?

RS-R states that without the canceller an error message is displayed on the dash and the traction control off function will not work. That leaves the car with a permanent warning and full stability control, which is a problem on track days and for any owner who wants a clean dash.

Does the canceller work with other suspension cancellation systems?

No. RS-R states that this warning canceller is for active damping control only and does not work with other suspension cancellation systems. It is designed to pair with RS-R coilovers that replace the factory adaptive dampers on the A90 Supra.

How is the canceller installed?

The canceller plugs in at each corner where the factory adaptive dampers were connected, so it is normally fitted at the same time as the coilovers. Fitting both in one visit saves labor, and the dash should be checked for a cleared warning and a working traction control off button before the car leaves the shop.

Which Supra models does it fit?

RS-R lists the canceller for the 2020-2026 Toyota GR Supra, chassis codes DB42 and DB22. It is relevant only to cars whose factory adaptive dampers are being replaced by RS-R manual-damper coilovers, and it is not needed on a Supra that keeps its original dampers.

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Description

RS-R Damper Warning Canceller for A90 / A91 Toyota GR Supra

RS-R’s Damper Warning Canceller for A90 / A91 Toyota GR Supra solves the one electrical problem that comes with fitting manual-damper coilovers to a car with Adaptive Variable Suspension. Once the factory adaptive dampers are removed, the controller looks for them, puts an error on the dash and, as RS-R notes, stops the traction-control-off function from working, which no track driver can accept. The canceller plugs in where the damper connectors were, so the controller is satisfied and the warning stays off. RS-R requires it with its Sports-i and Sports-i Club Racer kits for the A90, and it costs far less than living with a fault light. Its role is narrow, and it does that role cleanly.

Features

Clears the damper warning on A90 Supras fitted with RS-R manual-damper coilovers
Restores the traction-control-off function, which RS-R says will not work without it
Plugs in at each corner in place of the factory damper connections
Made for active damper control only, as RS-R specifies
Damper Warning Canceller for A90 cars sold by RS-R alongside its Sports-i kits

Applications

Toyota GR Supra: A90 / A91 (DB42 / DB22) | 2020-2026

Notes

Required with the RS-R Sports-i Coilovers for A90 / A91 Toyota GR Supra and the RS-R Sports-i Club Racer Coilovers for A90 / A91 Toyota GR Supra
Not needed with the RS-R Best-i Active Coilovers for A90 / A91 Toyota GR Supra, which keep the factory adaptive suspension working
RS-R states this canceller is for active damping control only and does not work with other suspension cancellation systems

Frequently Asked Questions

Do I need the RS-R Damper Warning Canceller for A90 Supra with my coilovers? You need it with RS-R Sports-i or Sports-i Club Racer coilovers on the A90, because those kits replace the factory adaptive dampers. You do not need it with the RS-R Best-i Active kit, which keeps the factory system working. The Damper Warning Canceller for A90 cars is sold separately from every RS-R coilover kit.
What happens if I install coilovers without the canceller? RS-R states that without the canceller an error message is displayed on the dash and the traction control off function will not work. That leaves the car with a permanent warning and full stability control, which is a problem on track days and for any owner who wants a clean dash.
Does the canceller work with other suspension cancellation systems? No. RS-R states that this warning canceller is for active damping control only and does not work with other suspension cancellation systems. It is designed to pair with RS-R coilovers that replace the factory adaptive dampers on the A90 Supra.
How is the canceller installed? The canceller plugs in at each corner where the factory adaptive dampers were connected, so it is normally fitted at the same time as the coilovers. Fitting both in one visit saves labor, and the dash should be checked for a cleared warning and a working traction control off button before the car leaves the shop.
Which Supra models does it fit? RS-R lists the canceller for the 2020-2026 Toyota GR Supra, chassis codes DB42 and DB22. It is relevant only to cars whose factory adaptive dampers are being replaced by RS-R manual-damper coilovers, and it is not needed on a Supra that keeps its original dampers.

About RS-R

RS-R began in 1968 as a car parts shop in Osaka and has produced its own suspension, coilovers and mufflers since 1972. Now headquartered in Toyonaka, Osaka, where its plant has been since 1999, RS-R manufactures in-house in Japan, with coilover ranges including Sports-i, Black-i and Best-i and the Ti2000 spring range.

Additional Information

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Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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