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C1230 Diagnostic Trouble Code Discussion for August 2010

Rear speed sensor circuit fault

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Trouble Ticket Help Requests for DTC C1230
Help Request Posted
2000 Ford Ranger XLT 3.0L Hesitation, Surge VIN: 1FTZR15V3Y
C1230: Rear speed sensor circuit fault. ... vehicle will free rev downshifting from drive into 3rd going up a hill. ABS light was on so we scanned and found 2 codes C1230 and C1102. The rear speed sensor is used for a couple of different calculations, such as ABS & transmission output speed. The...
August 03, 2010