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Reload this Page No start, computer keeps giving brake safet switch error
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Old 08-24-2025, 10:49 AM
Pat80 Pat80 is offline
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Join Date: May 2022
Location: Texas
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Default No start, computer keeps giving brake safet switch error
I am at a loss with this thing, xt2 slx54 2019 edition with the push button start.

Had to replace the entire computer start module and the mower ran perfect on the first try. Second try it did not start and gave me the brake switch error. Replaced both NO/NC switches and ran continuity on every wire across the circuits from the rear switch through to the computer plug which checks out but it still wont start even with jumping the circuits even gone as far as removed the entire harness to test. I did have a PTO issue where the blades would randomly shut off (pretty sure the belt was slipping) but since I can't start the mower, I can't test that theory. Was only able to put .8 hrs on this new start computer before it gave me the code. I've ran through the wireing diagram that I found and everything and simply can't figure this out. I would greatly appreciate a point in the right direction.
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Old 08-25-2025, 06:16 AM
evhevh evhevh is offline
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Join Date: May 2020
Location: Michigan
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I would test your battery. My understanding is a low voltage battery can cause the PTO to turn off while the engine still runs. Your key button (computer) may be acting up due to low power/voltage as well.
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Old 08-26-2025, 03:27 PM
Pat80 Pat80 is offline
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Charged the battery overnight computer showed 13.3 volts and I still have a no start condition due to the brake switch error.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.

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