{"product_id":"20981770-genuine-gm®-abs-module-hcu-for-chevrolet-captiva-sport-2012-2015","title":"20981770 | Genuine GM® ABS Module \u0026 HCU For Chevrolet Captiva Sport 2012-2015","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"176\" data-end=\"179\"\u003eA Hydraulic ABS Modulator ECU \u003cstrong\u003e20981770\u003c\/strong\u003e is a combined electronic + hydraulic control unit that actively manages brake pressure at each wheel to prevent lockup and maintain control during braking. ABS Module \u0026amp; HCU For Chevrolet Captiva Sport 2012-2015 2.4L L4\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003ePart Number\u003cspan\u003e: \u003c\/span\u003e\u003c\/strong\u003e20981770 \u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: Remanufactured\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: GM\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003eFits\u003c\/strong\u003e \u003cstrong\u003e20981770 \u003c\/strong\u003eFor \u003cbr\u003e\u003c\/p\u003e\n\u003ctable class=\"fitment-table\" style=\"width: 100.036%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"fitment-year\" scope=\"col\" style=\"width: 7.19166%;\"\u003eYear\u003c\/th\u003e\n\u003cth class=\"fitment-make\" scope=\"col\" style=\"width: 13.8439%;\"\u003eMake\u003c\/th\u003e\n\u003cth class=\"fitment-model\" scope=\"col\" style=\"width: 19.4175%;\"\u003eModel\u003c\/th\u003e\n\u003cth class=\"fitment-trim\" scope=\"col\" style=\"width: 21.2523%;\"\u003eBody \u0026amp; Trim\u003c\/th\u003e\n\u003cth class=\"fitment-engine\" scope=\"col\" style=\"width: 37.1799%;\"\u003eEngine \u0026amp; Transmission\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"fitment-table-body\"\u003e\n\u003ctr class=\"fitment-row\"\u003e\n\u003ctd class=\"fitment-year\" style=\"width: 7.19166%;\"\u003e2015\u003c\/td\u003e\n\u003ctd class=\"fitment-make\" style=\"width: 13.8439%;\"\u003eChevrolet\u003c\/td\u003e\n\u003ctd class=\"fitment-model\" style=\"width: 19.4175%;\"\u003eCaptiva Sport\u003c\/td\u003e\n\u003ctd class=\"fitment-trim\" style=\"width: 21.2523%;\"\u003eLS, LT, LTZ\u003c\/td\u003e\n\u003ctd class=\"fitment-engine\" style=\"width: 37.1799%;\"\u003e2.4L L4 - Flex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"fitment-row\"\u003e\n\u003ctd class=\"fitment-year\" style=\"width: 7.19166%;\"\u003e2014\u003c\/td\u003e\n\u003ctd class=\"fitment-make\" style=\"width: 13.8439%;\"\u003eChevrolet\u003c\/td\u003e\n\u003ctd class=\"fitment-model\" style=\"width: 19.4175%;\"\u003eCaptiva Sport\u003c\/td\u003e\n\u003ctd class=\"fitment-trim\" style=\"width: 21.2523%;\"\u003eLS, LT, LTZ\u003c\/td\u003e\n\u003ctd class=\"fitment-engine\" style=\"width: 37.1799%;\"\u003e2.4L L4 - Flex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"fitment-row\"\u003e\n\u003ctd class=\"fitment-year\" style=\"width: 7.19166%;\"\u003e2013\u003c\/td\u003e\n\u003ctd class=\"fitment-make\" style=\"width: 13.8439%;\"\u003eChevrolet\u003c\/td\u003e\n\u003ctd class=\"fitment-model\" style=\"width: 19.4175%;\"\u003eCaptiva Sport\u003c\/td\u003e\n\u003ctd class=\"fitment-trim\" style=\"width: 21.2523%;\"\u003eLS, LT, LTZ\u003c\/td\u003e\n\u003ctd class=\"fitment-engine\" style=\"width: 37.1799%;\"\u003e2.4L L4 - Flex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"fitment-row\"\u003e\n\u003ctd class=\"fitment-year\" style=\"width: 7.19166%;\"\u003e2012\u003c\/td\u003e\n\u003ctd class=\"fitment-make\" style=\"width: 13.8439%;\"\u003eChevrolet\u003c\/td\u003e\n\u003ctd class=\"fitment-model\" style=\"width: 19.4175%;\"\u003eCaptiva Sport\u003c\/td\u003e\n\u003ctd class=\"fitment-trim\" style=\"width: 21.2523%;\"\u003eLS, LT, LTZ\u003c\/td\u003e\n\u003ctd class=\"fitment-engine\" style=\"width: 37.1799%;\"\u003e2.4L L4 - Flex, 3.0L V6 - Flex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"585\" data-end=\"703\"\u003e\u003cstrong data-start=\"585\" data-end=\"597\"\u003e\u003cbr\u003ePurpose of using 20981770:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003ePrevent Wheel Lock-Up\u003c\/strong\u003e\n\u003cp\u003e\u003cbr\u003eThe ABS module continuously monitors each wheel’s speed.\u003cbr\u003eIf it detects a wheel about to lock (stop spinning), it reduces brake pressure momentarily.\u003cbr\u003eThis keeps the wheel rotating and maintains traction with the road.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaintain Steering Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBy preventing wheel lock-up, the driver can steer around obstacles even while braking hard.\u003cbr\u003eWithout ABS, locked wheels cause skidding and loss of directional control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImprove Stability on Slippery Surfaces\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module adjusts braking force to each wheel independently.\u003cbr\u003eThis helps the vehicle stay straight and balanced on wet, icy, or uneven roads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptimize Brake Pressure\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt regulates brake fluid pressure using solenoid valves and a hydraulic pump.\u003cbr\u003eThis results in shorter stopping distances and smoother braking under emergency conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommunicate with Other Systems\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eModern ABS modules are integrated with:\u003cbr\u003eTraction Control System (TCS)\u003cbr\u003eElectronic Stability Control (ESC)\u003cbr\u003eHill-Start Assist\u003cbr\u003eThe module shares data with the engine and transmission control units to adjust power and braking for overall safety.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"585\" data-end=\"703\"\u003e\u003cstrong data-start=\"585\" data-end=\"597\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"97\" data-end=\"476\"\u003e\u003cstrong data-start=\"97\" data-end=\"151\"\u003eSigns of Bad ABS Control Unit 20981770\u003c\/strong\u003e\u003cstrong\u003e:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e1. ABS Warning Light Is On\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ABS light (or sometimes “Brake” or “Traction Control” light) stays illuminated on the dashboard.\u003cbr\u003eThis is the most common and earliest sign of a control module fault.\u003cbr\u003eDiagnostic scan will often show ABS-specific trouble codes like C0265, C0110, or U0121.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Brakes Lock Up Under Hard Braking\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf the ABS module fails, the system can’t regulate brake pressure properly.\u003cbr\u003eYou might notice wheel lock-up during sudden stops — especially on slippery surfaces.\u003cbr\u003eThis defeats the purpose of the ABS system and increases stopping distance.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e3. ABS Pump Runs Constantly (or Not at All)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA stuck internal relay or shorted circuit in the module can cause the ABS pump motor to run continuously, even with the key off.\u003cbr\u003eIn other cases, the pump might not activate at all, leading to no ABS function.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Unresponsive or Pulsating Brake Pedal\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe brake pedal might feel unusually hard, soft, or pulsate abnormally during braking.\u003cbr\u003eSometimes the pedal sinks slowly to the floor due to poor hydraulic modulation.\u003cbr\u003eThese symptoms often indicate the module’s valve control system isn’t working correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Traction or Stability Control Lights On\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBecause the ABS module communicates with the traction control (TCS) and electronic stability control (ESC) systems,\u003cbr\u003ea fault in the ABS module can trigger those warning lights too.\u003cbr\u003eYou may lose features like traction assist, hill-start assist, or electronic stability control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Inconsistent Speedometer or Loss of Communication\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ABS module reads data from wheel speed sensors.\u003cbr\u003eIf it fails, the speedometer may fluctuate or stop working, and the vehicle may store communication codes like U0121 – Lost Communication with ABS Module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Vehicle Goes into Limp or Fail-Safe Mode\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOn some vehicles, when the ABS module fails completely, the system may limit performance (limp mode) to protect the drivetrain and braking system.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"97\" data-end=\"476\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong data-start=\"97\" data-end=\"151\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2345\" data-start=\"2296\"\u003e\u003cstrong data-end=\"2345\" data-start=\"2303\"\u003eCommon Diagnostic Trouble Codes (DTCs) \u003c\/strong\u003e\u003cstrong\u003e20981770\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"2726\" data-start=\"2346\"\u003e\n\u003cthead data-end=\"2376\" data-start=\"2346\"\u003e\n\u003ctr data-end=\"2376\" data-start=\"2346\"\u003e\n\u003cth data-col-size=\"sm\" data-end=\"2357\" data-start=\"2346\"\u003e\n\u003cp\u003eCode\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth data-col-size=\"md\" data-end=\"2376\" data-start=\"2357\"\u003e\n\u003cp\u003eDescription\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"2726\" data-start=\"2408\"\u003e\n\u003ctr data-end=\"2460\" data-start=\"2408\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2420\" data-start=\"2408\"\u003e\n\u003cp\u003e\u003cstrong data-end=\"2419\" data-start=\"2410\"\u003eC0265\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-end=\"2460\" data-start=\"2420\" data-col-size=\"md\"\u003e\n\u003cp\u003eABS module relay circuit malfunction\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2505\" data-start=\"2461\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2473\" data-start=\"2461\"\u003e\n\u003cp\u003e\u003cstrong data-end=\"2472\" data-start=\"2463\"\u003eC0110\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-end=\"2505\" data-start=\"2473\" data-col-size=\"md\"\u003e\n\u003cp\u003eABS pump motor circuit fault\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2542\" data-start=\"2506\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2518\" data-start=\"2506\"\u003e\n\u003cp\u003e\u003cstrong data-end=\"2517\" data-start=\"2508\"\u003eC1214\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-end=\"2542\" data-start=\"2518\" data-col-size=\"md\"\u003e\n\u003cp\u003eValve or relay stuck\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2601\" data-start=\"2543\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2555\" data-start=\"2543\"\u003e\n\u003cp\u003e\u003cstrong data-end=\"2554\" data-start=\"2545\"\u003eU0121\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-end=\"2601\" data-start=\"2555\" data-col-size=\"md\"\u003e\n\u003cp\u003eLost communication with ABS control module\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2653\" data-start=\"2602\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2620\" data-start=\"2602\"\u003e\n\u003cp\u003e\u003cstrong data-end=\"2619\" data-start=\"2604\"\u003eC0267\/C0268\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-end=\"2653\" data-start=\"2620\" data-col-size=\"md\"\u003e\n\u003cp\u003ePump motor circuit open\/short\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2726\" data-start=\"2654\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2672\" data-start=\"2654\"\u003e\n\u003cp\u003e\u003cstrong data-end=\"2671\" data-start=\"2656\"\u003eC1221–C1225\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-end=\"2726\" data-start=\"2672\" data-col-size=\"md\"\u003e\n\u003cp\u003eWheel speed sensor faults caused by module failure\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"97\" data-end=\"476\"\u003e\u003cstrong data-start=\"97\" data-end=\"151\"\u003e\u003cbr\u003eAbout the Manufacturer – GM:\u003c\/strong\u003e\u003cbr data-start=\"151\" data-end=\"154\"\u003e\u003c\/p\u003e\n\u003cp data-end=\"411\" data-start=\"112\"\u003e\u003cstrong data-end=\"135\" data-start=\"112\"\u003eGeneral Motors (GM)\u003c\/strong\u003e is one of the largest and most iconic automotive manufacturers in the world. Founded in 1908 and headquartered in Detroit, Michigan, GM designs, builds, and sells vehicles under several well-known brands, including Chevrolet, GMC, Cadillac, and Buick.\u003cbr\u003eGM is known for its long history of innovation in the automotive industry, from developing early electric vehicles to advancing autonomous driving and connected car technologies. The company has a strong global presence and is committed to a future of zero crashes, zero emissions, and zero congestion, with significant investments in electric vehicles (EVs) and sustainable mobility.\u003c\/p\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":50867127124215,"sku":"20981770","price":485.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/611l7_ThtEL._AC_UL495_SR435_495.jpg?v=1781632874","url":"https:\/\/forcetruckparts.com\/products\/20981770-genuine-gm%c2%ae-abs-module-hcu-for-chevrolet-captiva-sport-2012-2015","provider":"Force Truck Parts","version":"1.0","type":"link"}