I replace LF speed wheel sensor , but code C1155 still shows on my scanner
SOURCE: HOW TO REPLACE OR REPAIR WHEEL SPEED SENSOR
It is part of the bearing hub assembly.Very have to do without air tools,If setting multiple abs/tc code (wheel speed sensors) probably abs electronic module or chaffed wires on drivers side at ac lines by air box.Have big problems with this and probably will come back.
SOURCE: 2001 Buick Century with code p1232 LF wheel speed
wire going to sensor breaks inside the insulation the plug may look ok by looking at it but if you grab hold of one wire at a time right where they go into the connector on the wheel sensors and give a good tug. If wire pulls away from the connector then it means that the connector is bad and wire was broken behind the insulation
SOURCE: 94 Grand Prix ABS issue.
Speed sensors commonly go bad and need to be replaced. If you replace the bad sensor it should solve your problem. I hope this helps and if you have any other questions please feel free to ask.
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