https://cruisecontrolmodule.com Wed, 24 Jun 2026 17:50:09 +0000 en-US hourly 1 https://wordpress.org/?v=4.1.1 https://cruisecontrolmodule.com/2025/08/28/jaguar-xjs-cruise-control-module-dac4293-tested-working-2/ https://cruisecontrolmodule.com/2025/08/28/jaguar-xjs-cruise-control-module-dac4293-tested-working-2/#comments Thu, 28 Aug 2025 18:32:40 +0000 https://cruisecontrolmodule.com/2025/08/28/jaguar-xjs-cruise-control-module-dac4293-tested-working-2/ ]]>





These are fully repaired and calibrated Econocruise speed control modules. There are two main reasons why the cruise control function on an XJS or Series 3 XJ does not work – either the throttle actuator bellows needs re-sealing or the electronic module has failed. If, after activating the cruise control switch, the engine speed slows or speeds up instead of stabilising at the set speed, then you have a faulty module. If nothing happens at all then either the bellows is leaking or the module is faulty. These modules suffer from ageing components which need to be replaced, and then the unit re-setup on a test jig. We have all those facilities, and a great deal of experience! We can also repair your own module, though that is not necessarily cheaper. We also offer a repair service for the vacuum bellows unit, to include cleaning the two solenoid valves, and re-sealing the bellows.

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Recently removed by myself from my very low mileage Mercedes SL and in good condition as seen in the photographs. It was fully tested before removal.

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Recently removed by myself from my Mercedes SL R129 300SL-24 valve fitted with the M104 engine and in excellent condition as seen in the photographs. I personally removed this from the car immediately after a 230 mile run and it performed flawlessly. Because this is such a fragile electronic component and because I have taken all possible steps to prove that it is in perfect working order, I will not accept any claims or return requests.

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Recently removed by myself from my Mercedes SL R129 300SL-24 valve fitted with the M104 engine and in excellent condition as seen in the photographs. I personally removed this from the car immediately after a 230 mile run and it performed flawlessly. Because this is such a fragile electronic component and because I have taken all possible steps to prove that it is in perfect working order, I will not accept any claims or return requests.

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Recently removed by myself from my very low mileage Mercedes SL and in good condition as seen in the photographs. It was fully tested before removal.

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There are two main reasons why the cruise control on an XJS does not work – either the bellows need resealing or the electronic module has failed. If, after activating the cruise control switch, the engine speed slows or speeds up, then you have a problematic module! This module has been repaired and calibrated for us by KWE Consultancy.

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Recently removed by myself from my Mercedes SL R129 300SL-24 valve fitted with the M104 engine and in excellent condition as seen in the photographs. I personally removed this from the car immediately after a 230 mile run and it performed flawlessly. Because this is such a fragile electronic component and because I have taken all possible steps to prove that it is in perfect working order, I will not accept any claims or return requests.

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Recently removed by myself from my Mercedes SL R129 300SL-24 valve fitted with the M104 engine and in excellent condition as seen in the photographs. I personally removed this from the car immediately after a 230 mile run and it performed flawlessly. Because this is such a fragile electronic component and because I have taken all possible steps to prove that it is in perfect working order, I will not accept any claims or return requests.

]]> https://cruisecontrolmodule.com/2024/03/10/mercedes-sl-r129-cruise-control-module-unit-0075454332-fully-tested-7/feed/ 0 https://cruisecontrolmodule.com/2024/03/09/mercedes-sl-r129-cruise-control-module-idle-control-ecu-1295451832-tested-3/ https://cruisecontrolmodule.com/2024/03/09/mercedes-sl-r129-cruise-control-module-idle-control-ecu-1295451832-tested-3/#comments Sat, 09 Mar 2024 20:17:44 +0000 https://cruisecontrolmodule.com/2024/03/09/mercedes-sl-r129-cruise-control-module-idle-control-ecu-1295451832-tested-3/





Recently removed by myself from my very low mileage Mercedes SL and in good condition as seen in the photographs. It was fully tested before removal.

]]> https://cruisecontrolmodule.com/2024/03/09/mercedes-sl-r129-cruise-control-module-idle-control-ecu-1295451832-tested-3/feed/ 0 https://cruisecontrolmodule.com/2024/02/14/mercedes-sl-r129-cruise-control-module-unit-0075454332-fully-tested-6/ https://cruisecontrolmodule.com/2024/02/14/mercedes-sl-r129-cruise-control-module-unit-0075454332-fully-tested-6/#comments Wed, 14 Feb 2024 05:57:46 +0000 https://cruisecontrolmodule.com/2024/02/14/mercedes-sl-r129-cruise-control-module-unit-0075454332-fully-tested-6/






Recently removed by myself from my Mercedes SL R129 300SL-24 valve fitted with the M104 engine and in excellent condition as seen in the photographs. I personally removed this from the car immediately after a 230 mile run and it performed flawlessly. Because this is such a fragile electronic component and because I have taken all possible steps to prove that it is in perfect working order, I will not accept any claims or return requests.

]]> https://cruisecontrolmodule.com/2024/02/14/mercedes-sl-r129-cruise-control-module-unit-0075454332-fully-tested-6/feed/ 0