{"product_id":"2-pin-1k0973202-vw-audi-waterproof-3-5mm-coolant-temperature-sensor-connector","title":"2-Pin 1K0973202 VW Audi Waterproof 3.5mm Coolant Temperature Sensor Connector","description":"\u003ch2\u003e2-Pin 1K0973202 VW \/ Audi Waterproof 3.5mm Coolant Temperature Sensor Connector\u003c\/h2\u003e\u003cp\u003eDirect-fit replacement for Volkswagen \/ Audi OEM part number \u003cstrong\u003e1K0973202\u003c\/strong\u003e (also written as \u003cstrong\u003e1K0 973 202\u003c\/strong\u003e), a 2-pin waterproof 3.5mm pitch female connector used for coolant temperature sensor (CTS \/ ECT) harness connections on VW and Audi MQB and PQ35 platform vehicles. The 1K0 prefix identifies this as a VW Golf V \/ Jetta V (1K platform) part, though it is used across multiple VW Group platforms.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 1K0973202 \/ 1K0 973 202\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin Count:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGender:\u003c\/strong\u003e Female socket (with wire)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Pitch:\u003c\/strong\u003e 3.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Gauge:\u003c\/strong\u003e 18 AWG (0.5 mm²)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Length:\u003c\/strong\u003e 5.5 inches (140 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Rating:\u003c\/strong\u003e IP68\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Material:\u003c\/strong\u003e PA66 glass-filled nylon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Material:\u003c\/strong\u003e Copper alloy, tin-plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e Up to 10A per pin\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVW Part Number Decoded – 1K0973202\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1K0\u003c\/strong\u003e – Vehicle platform code (VW Golf V \/ Jetta V, 2003–2010)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e973\u003c\/strong\u003e – VW commodity code for electrical connectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e202\u003c\/strong\u003e – Specific connector variant (2-pin, 3.5mm waterproof)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible VW \/ Audi Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVW Golf V \/ VI (1K\/5K, 2003–2013):\u003c\/strong\u003e Coolant temperature sensor harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVW Jetta V \/ VI (1K\/5C):\u003c\/strong\u003e ECT sensor connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVW Passat B6 \/ B7 (3C):\u003c\/strong\u003e Shared PQ35 platform CTS harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVW Tiguan (5N):\u003c\/strong\u003e Coolant temperature sensor wiring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudi A3 (8P\/8V):\u003c\/strong\u003e Shared MQB\/PQ35 platform ECT connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudi A4 (B8):\u003c\/strong\u003e Coolant temperature sensor harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkoda Octavia (1Z\/5E):\u003c\/strong\u003e Shared VW Group platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFault Codes Linked to 1K0973202 Connector Failure\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0116–P0118\u003c\/strong\u003e – Engine Coolant Temperature Sensor circuit faults\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0128\u003c\/strong\u003e – Coolant Temperature Below Thermostat Regulating Temperature (caused by CTS signal fault)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVCDS:\u003c\/strong\u003e 00537 – Coolant Temperature Sensor (G62) – implausible signal; 01314 – Engine Control Module\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can a bad coolant temperature connector cause poor fuel economy on VW?\u003c\/strong\u003e\u003cbr\u003eA: Yes. A corroded 1K0973202 connector causes the ECM to receive an incorrect CTS signal, defaulting to a cold-engine fuel map (rich mixture) even when the engine is warm. This causes increased fuel consumption, rough idle, and black smoke from the exhaust.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What diagnostic tool is needed?\u003c\/strong\u003e\u003cbr\u003eA: Use VCDS (Ross-Tech) for VW\/Audi-specific fault codes and live data. Check G62 sensor live value – should read approximately 90°C when fully warmed up.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What crimping tool is needed?\u003c\/strong\u003e\u003cbr\u003eA: Use a ratchet crimper rated for 18 AWG (0.5 mm²) – Engineer PA-09 or equivalent.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cp\u003e1 × 2-Pin Female Connector (1K0973202) with 18 AWG wire and terminal insert\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"2P \/ Female with Wire \/ China Mainland|Line Connector|3 Sets","offer_id":47844208312565,"sku":"14:200004889#Female with Wire;200001249:202408832#3 Sets;200007763:201336100;200497261:200000932;462:203053809","price":51.3,"currency_code":"USD","in_stock":true},{"title":"2P \/ Female with Wire \/ China Mainland|Line Connector|10 Sets","offer_id":47844208345333,"sku":"14:200004889#Female with Wire;200001249:202408829#10 Sets;200007763:201336100;200497261:200000932;462:203053809","price":170.85,"currency_code":"USD","in_stock":true},{"title":"2P \/ Female with Wire \/ China Mainland|Line Connector|1 Set","offer_id":47844208378101,"sku":"14:200004889#Female with Wire;200001249:202408830#1 Set;200007763:201336100;200497261:200000932;462:203053809","price":17.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/S1201081f489342cb883cba83df42c38fL.webp?v=1773810226","url":"https:\/\/www.csldmcml.com\/products\/2-pin-1k0973202-vw-audi-waterproof-3-5mm-coolant-temperature-sensor-connector","provider":"Cable Parts Online","version":"1.0","type":"link"}