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Air Bags & Parts

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Special Order item
95B959256E
Product Information
Product Information

Steering wheel control unit
Compatibility depends on the vehicle’s steering wheel equipment and applicable PR codes.

Fits

  • Porsche Boxster 718 (982) 2017>>
  • Porsche Cayman 718C (982C) 2017>>
  • Porsche Macan (95B) MK1  2014 – 2018
  • Porsche Macan (95B) MK2 2019 – 2021
  • Porsche Macan (95B) MK3 2022>>
  • Porsche Cayenne 92A (958) 2010 – 2017  


Diagram application notes

Steering wheel / Individual parts (PR:858,XLL) 718 (982) Boxster 2017>>
Steering wheel / Individual parts (PR:855,XHV,XHW) 718 (982) Boxster 2017>>
Steering wheel / Individual parts (PR:858,XLL) 718C (982C) Cayman 2017>>
Steering wheel / Individual parts (PR:855,XHV,XHW) 718C (982C) Cayman 2017>>
Steering wheel 95B.1 Macan 2014-18
Steering wheels (PR:2X2, Tiptronic control on steering wheel) Cayenne 92A (958) 2015>>
Steering wheel - PR:1XD, 1XG, 2FX, 2PJ, 2ZF, 2ZH, 2ZM + 2X2 + 8LA, 8LE, 8LF, 8LH - 95B (II / III) Macan 2019 - 2024


What This Product Does

This module provides electronic control within the applicable steering wheel assembly. It is a separate component rather than a complete wheel, multifunction button set, wiring set or trim piece.


Technical Details

  • Component type: steering wheel electronic control unit.
  • Diagram quantity: one control unit per applicable assembly.
  • 718 Boxster and Cayman control-unit row: PR:489,QR0.
  • Macan II/III control-unit row: basic; PR:8LA, 8LE, 8LF.
  • Steering wheel assembly contexts include PR:858,XLL; PR:855,XHV,XHW; and PR:2X2. These assembly codes do not replace the control-unit row restrictions.


Symptoms of Fault

Unresponsive steering wheel buttons or intermittent electrical operation can prompt investigation. Such symptoms alone do not confirm that this module requires replacement; wiring, connections and other steering wheel components may also need assessment.


Why Replacement Matters

Replacing a diagnosed faulty unit with the correctly specified Porsche component supports the original steering wheel’s electronic operation. Matching the part number and factory equipment is important because similar-looking assemblies can use different supporting components.


FAQs

Is model year enough to confirm compatibility?
No. Check the VIN, steering wheel specification and relevant PR codes against the application and diagram notes.

Does this replace the complete steering wheel?
No. The diagrams identify the control unit separately from the wheel, switches, trim and wiring.

Check fitment for your specific vehicle (model, year, engine) before ordering.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95B959256E
95B959256E

The product you are viewing cross references to these numbers
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About Air Bags & Parts

High-Quality Air Bags & Safety System Parts for Reliable Vehicle Protection

Air bags and associated safety system components are essential elements of a vehicle’s Supplemental Restraint System (SRS). Working alongside seat belts and crash sensors, airbags help reduce injury during a collision by deploying rapidly to cushion occupants from impact forces. These systems rely on a network of electrical sensors, wiring, modules and relays—all of which must function correctly to ensure timely deployment when needed.

Whether replacing faulty components, restoring a damaged vehicle or maintaining compliance with safety standards, high-quality air bag parts are critical for keeping both driver and passengers protected.

What Air Bags & Safety System Components Do

Air bag systems are complex electrical and mechanical assemblies. Their main functions include:

  • Detecting impact forces through crash sensors and accelerometers
  • Triggering rapid airbag deployment via the control module
  • Inflating airbags within milliseconds using pyrotechnic or gas-based inflators
  • Reducing occupant injury by cushioning the body during a collision
  • Supporting seat belt systems via tensioners and pretensioner modules
  • Monitoring system health through SRS warning lights and diagnostic circuits

A correctly functioning airbag system is crucial for modern vehicle safety.

Why Air Bag Systems Commonly Fail

With age, environmental exposure or electrical issues, SRS components can degrade or malfunction. Common failure points include:

  • Damaged wiring or connectors causing intermittent communication faults
  • Failed crash sensors rendering the system unable to detect impact
  • Control unit (ECU) failures due to moisture, impact or internal faults
  • Depleted or expired inflators no longer capable of correct deployment
  • Clock spring faults affecting steering wheel airbag circuits
  • Water intrusion into wiring harnesses or control modules
  • Airbag deployment in previous collisions, requiring complete replacement

System failures typically illuminate the airbag/SRS warning light and may disable the entire airbag system until repaired.

Why You Should Replace Faulty Air Bag Components

Replacing faulty components with high-quality, precision-built alternatives designed to match original safety specifications is essential for vehicle safety and legal compliance.

Key benefits include:

  • Restored SRS functionality and crash protection
  • Compliance with MOT/inspection requirements
  • Eliminated warning lights and diagnostic errors
  • Ensured readiness for correct airbag deployment
  • Improved passenger and driver safety
  • Prevention of electrical faults that can affect other systems

Because airbags are life-saving devices, any malfunction should be addressed immediately.

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