# 278003009 Seadoo OTAS Sensor | Genuine Used Part

🔧 Product Description

  

Genuine Sea-Doo O.T.A.S. Sensor - Part Number: 278003009

  

This genuine Sea-Doo O.T.A.S. sensor is used in the electrical steering-control system. It forms part of the Off-Throttle Assisted Steering system and supplies steering-related input to the factory control electronics.

  

⚙️ Key Features

  

• Genuine Sea-Doo O.T.A.S. sensor

• OEM part number 278003009

• Off-Throttle Assisted Steering electrical sensor

• Supersedes earlier OEM references 278002324 and 278002908

• Direct-fit OEM steering / electrical-system component

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 278003009 → Supersedes 278002908

• 278002908 → Supersedes 278002324

• 278002324 (earlier OEM reference)

  

OEM / Related Numbers:

  

• 278002324

• 278002908

• 278003009

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Sea-Doo O.T.A.S. steering-assist electrical systems

  

Typically suits:

  

• Engine models:

• 2009 GTX Limited iS 255 (1503 HO ETC) — Electrical System

• 2009 RXT iS 255 (1503 HO ETC) — Electrical System

• 2010 GTX 155 (1503 NA ETC) — Electrical System

• 2010 GTX iS 215 — Electrical System

• 2010 GTX Limited iS 260 — Electrical System

• 2010 RXT 215 (1503 SCIC ETC) — Electrical System

• 2010 RXT iS 260 — Electrical System

• 2010 RXT-X and X RS 260 (1503 HO ETC) — Electrical System

• 2010 WAKE PRO 215 (1503 SCIC ETC) — Electrical System

• 2011 GTI 130 (1503 DT) — Electrical System

• 2011 GTI Limited 155 (1503 NA) — Electrical System

• 2011 GTI SE 130 (1503 DT) — Electrical System

• 2011 GTI SE 155 (1503 NA) — Electrical System

• 2011 GTS 130 & Rental 99 (1503 DT) — Electrical System

• 2011 GTX 155 (1503 NA ETC) — Electrical System

• 2011 GTX 215 (1503 SCIC ETC) — Electrical System

• 2011 GTX iS 215 (1503 SCIC ETC) — Electrical System

• 2011 GTX Limited iS 260 (1503 HO ETC) — Electrical System

• 2011 RXT 260 & RS (1503 HO ETC) — Electrical System

• 2011 RXT aS X & aS XRS 260 (1503 HO ETC) — Electrical System

• 2011 RXT iS 260 (1503 HO ETC) — Electrical System

• 2011 RXT-X 260 & RS (1503 SCIC ETC) — Electrical System

• 2011 WAKE 155 (1503 NA) — Electrical System

• 2011 WAKE PRO 215 (1503 SCIC ETC) — Electrical System

• 2012 GTI 130 (23CA, 23CB) — Electrical System

• 2012 GTI 130 (23CS, 23CR) — Electrical System

• 2012 GTI Limited 155 (39CA, 39CB) — Electrical System

• 2012 GTI Limited 155 (39CS) — Electrical System

• 2012 GTI SE 130 (24CA, 24CB, 24CC) — Electrical System

• 2012 GTI SE 130 (24CS, 24CR) — Electrical System

• 2012 GTI SE 155 (30CA, 30CB) — Electrical System

• 2012 GTI SE 155 (30CS) — Electrical System

• 2012 GTR 215 — Electrical System

• 2012 GTS 130 & Rental 99 (25CS, 43CS) — Electrical System

• 2012 GTS 130 & Rental 99 (43CA, 43CB, 25CB) — Electrical System

• 2012 GTX 155 (38CA, 38CB) — Electrical System

• 2012 GTX 155 (38CS, 38CR) — Electrical System

• 2012 GTX 215 (42CA, 42CB) — Electrical System

• 2012 GTX 215 (42CS) — Electrical System

• 2012 GTX Limited iS 260 (18CA, 18CB) — Electrical System

• 2012 GTX Limited iS 260 (18CS) — Electrical System

• 2012 GTX S 155 — Electrical System

• 2012 RXP-X 260 & RS — Electrical System

• 2012 RXT 260 (iS) — Electrical System

• 2012 RXT 260 (RS) (17CA, 17CB) — Electrical System

• 2012 RXT 260 (RS) (17CS) — Electrical System

• 2012 RXT-X 260 & RS — Electrical System

• 2012 RXT-X aS 260 & RS — Electrical System

• 2012 WAKE 155 (35CA, 35CB) — Electrical System

• 2012 WAKE 155 (35CR, 35CS) — Electrical System

  

• HP Range: Approximately 130HP - 260HP

• Engine Type: Sea-Doo 4-TEC Electrical / O.T.A.S. Steering Assist System

• Year Range: Approximately 2009 - 2016

  

🔌 Function

  

The O.T.A.S. sensor supplies steering input to the Off-Throttle Assisted Steering system so the craft can provide steering-assist logic when throttle input is reduced.

  

Common signs of failure:

  

• O.T.A.S. warning messages or fault codes

• Steering-assist faults

• Intermittent sensor signal

• Poor system response during off-throttle steering

• Damaged sensor wiring or connector faults

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 42.5 AUD
- **Vendor:** Seadoo
- **Tags:** Sawley’s AAM Used Parts – Sea-Doo Parts | Jet Ski Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 42.50 AUD | In stock |

## Images

- 278003009 Seadoo OTAS Sensor | Genuine Used Part
- 278003009 Seadoo OTAS Sensor | Genuine Used Part
- 278003009 Seadoo OTAS Sensor | Genuine Used Part
- 278003009 Seadoo OTAS Sensor | Genuine Used Part
- 278003009 Seadoo OTAS Sensor | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/278003009-seadoo-otas-sensor-genuine-used-part)
> Updated: 2026-07-02