There have also been some really weird things that have fixed cars. These are all real. … To perform the “battery voodoo” Disconnect both cables on the vehicles battery. Then touch them together. I generally leave them for about 5 minutes or so. This will reboot the entire car. It forces all the modules in the car to recheck themselves and talk to each other. There is probably a …. Nothing major, just some charring on the trunk carpet and, oddly enough, the TPMS module. …

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Strange Things That Fix Cars | Humble Mechanic