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sprinkles08
sprinkles08, ASE Certified Technician
Category: Kia
Satisfied Customers: 21954
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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The speedometer on my daughter's 2004 Kia Spectra is

Customer Question

The speedometer on my daughter's 2004 Kia Spectra is only intermittently working. In your experience, is this more often a wiring problem or a speedometer problem in which I would change the instrument cluster?
Submitted: 1 year ago.
Category: Kia
Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

You may have a few things going on. It's possible that the problem could be in the instrument cluster itself but it could also be a speed sensor or wiring issue.

Does the engine light come on; have you checked for fault codes?

Does the odometer still count up while the speedometer is not working?

Customer: replied 1 year ago.
No check engine light, no codes and the odometer does not work when it's out. Does that narrow it down?
Expert:  sprinkles08 replied 1 year ago.

If the odometer doesn't work then it's not likely to be a cluster issue.

Do you have an actual scan tool to monitor instrument cluster and engine controller data?

Customer: replied 1 year ago.
I have the code reader that you plug in under the dash.
Expert:  sprinkles08 replied 1 year ago.

An actual scan tool would be needed to monitor data.

If the odometer stops also then it's likely that the instrument cluster is no longer seeing a vehicle speed message. Testing of the vehicle speed sensor and circuits will need to be done at the time the problem is happening to determine whether you have a sensor, wiring or connection, or instrument cluster problem.