d4 light flashing

1995 HONDA ACCORD
209,182 MILES • 4 CYL • 2WD • AUTOMATIC
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FATTYHARRO
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i have a honda accord vti 95. my d4 light is flashing but i know its not transmission. it only starts flashing when the speedo stops for a sec. hasn't happend before.
Dec 7, 2010 at 2:21 AM
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KHLOW2008
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The Transmission Control Module would trigger the D4 light to blink to indicate an error has been detected in the control system.

When the speedometers intermittently fails due to a faulty Vehicle Speed Sensor, a trouble code would be stored in the TCM.

The VSS is failing and replacement is due.

Dec 7, 2010 at 1:49 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.