My speedometer jumps from 0 to 60 to 100 and back to 60 while driving what causes this

Asked by Aug 29, 2012 at 10:14 PM about the 2006 Jeep Grand Cherokee

Question type: Maintenance & Repair

My speedometer jumps around also it has completely shut
down while driving

2 Answers

Might be a bad altenater.Voltage spikes.

56,575

Probably a bad VSS (vehicle speed sensor). This sensor is usually found screwed into the side of the transmission. It sends a signal to your computer which in turn positions the speedometer needle. HTH. -Jim

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