5WP33512-03 Haldex Control Unit Volvo AWD Refurbished Continental

5WP33512-03 Haldex Control Unit Volvo AWD | Refurbished Continental OEM Refurbished OEM Haldex Control Unit 5WP33512-03 – Volvo AWD Part Number: 5WP33512-03 Original Continental differential electronic module for Volvo AWD vehicles with 4th generation Haldex coupling. System Type Haldex AWD 4th Generation Condition Refurbished – Fully Tested & Functional Manufacturer Continental (Original OEM) Supplier Reference HAP542 / 5WP33512 Continental / Volvo Ref 113677-01 / 8G9N-14C251 Warranty 12 Months Refurbished & Verified Working Unit Professionally refurbished original Haldex control unit, tested before dispatch to restore reliable rear axle engagement and AWD operation in compatible Volvo vehicles. OEM Part Numbers & Cross-References Main OEM Part Numbers: 5WP33512-03 • 5WP3351203 • 5WP33512 • HAP542 Compatible / Interchangeable Numbers: 5WP33512-01 • 5WP33512-02 • 5WP33512-03 Supplier / Vehicle References: 113677-01 • 11367701 • 8G9N-14C251 • 8G9N14C251 Always Verify Your Part Number Before ordering, compare the part number on your current Haldex / DEM module with the references listed above. Some vehicles may require recoding after installation. Technical Specifications System Type: Haldex AWD 4th Generation Component: Differential Electronic Module (DEM / AWD ECU) Manufacturer: Continental Supplier Ref: HAP542 / 5WP33512 Continental / Volvo Ref: 113677-01 / 8G9N-14C251 Application: Volvo AWD vehicles with 4th generation Haldex coupling Part Condition: Refurbished – Fully Tested & Functional Support: Online support if diagnostics, compatibility or coding help is needed Product Description This is a refurbished original Continental Haldex control unit with OEM number 5WP33512-03, designed for Volvo AWD systems using the 4th generation Haldex coupling. The module functions as the electronic management unit of the rear differential system and controls torque transfer to the rear axle when traction is needed. What This Control Unit Does Controls the Haldex coupling to engage rear-wheel drive when required Communicates with ABS / DSTC and drivetrain systems Monitors AWD operation and stores diagnostic trouble codes Manages hydraulic clutch pressure strategy in the rear coupling Helps restore proper AWD operation when the original ECU has failed OEM Replacement Unit This refurbished DEM module is intended as a direct OEM-style replacement for the original control unit. After installation, fault-code clearing and a diagnostic check are recommended, and some vehicles may need recoding. Vehicle Compatibility Common Volvo applications for this Haldex control unit include the models below. Always confirm the part number on your current module before purchase. Volvo Volvo V70 AWD (2009–2012) Volvo S60 AWD (2009–2012) Volvo S80 AWD (2009–2012) Volvo XC60 AWD (2009–2012) Volvo XC70 AWD (2009–2012) Volvo XC90 AWD (2009–2012) Selected Volvo AWD applications with matching 5WP33512-01 / -02 / -03 module numbers Not Sure About Compatibility? Send us your VIN number or a photo of your existing part label and we will help verify fitment before you order. Common Diagnostic Faults & Symptoms Problems with the Haldex control unit can cause the AWD system to stop working or operate intermittently. Common symptoms and diagnostic issues include: DEM-0005 – Control valve internal fault No Communication – AWD control module not responding Loss of rear-wheel drive / AWD not working correctly DSTC / anti-skid warnings related to the rear differential control module Intermittent AWD engagement or communication-related faults Installation & Recommended Service Installation Notes Disconnect the battery and safely access the rear differential Haldex module Remove the old control unit and inspect the connector for corrosion or moisture Install the replacement ECU carefully and reconnect all plugs securely Clear stored fault codes and check communication with a suitable diagnostic tool Carry out recoding or adaptation if required by the vehicle after installation Recommended While Replacing the Unit Inspect the Haldex control valve if related faults are stored Renew Haldex oil / service fluid Inspect wiring and connector condition Check for remaining AWD, ABS or DSTC faults after fitting Online Technical Support Included If you need help with diagnostics, compatibility or installation, reach us via the contact button below or at [email protected] Why Haldex Control Units Fail 1. Moisture Ingress & Corrosion Water ingress, condensation or connector corrosion can interrupt communication and damage the internal electronics of the DEM module. 2. Control Valve or Hydraulic Faults Related Haldex valve faults can overload the control strategy and trigger repeated AWD warnings or control-module faults. 3. Internal Electronic Failure Heat, vibration and age can damage internal circuits, causing communication loss, stored faults or intermittent AWD function. 4. Wiring or Power Supply Problems Damaged wiring, weak power supply or poor connector contact can create no-communication errors and unstable module behaviour. Quality Assurance & Warranty 12-Month Warranty: This refurbished Haldex control unit has been tested for correct operation and is supplied with a 12-month warranty under normal operating conditions. Warranty Coverage Includes: Internal control unit malfunction Communication failures caused by the module itself Faults related to internal memory or controller operation Warranty Exclusions: Incorrect installation or incompatible vehicle fitment External wiring, valve or drivetrain faults Physical damage, water damage after installation or mishandling Questions or Need Help? Our technical team is ready to assist with compatibility checks, installation guidance and diagnostics support. Contact Us Important Purchase Information Please verify the part number before ordering Worldwide shipping is available If your country is not listed at checkout, contact us and the order can be processed manually Diagnostic checks are recommended after installation This module should only be fitted where the original OEM number matches