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1991 Acura Legend Question: Flashing D4 on the dashboard

 

Question

Patriot777, Freehold, NJ, March 20, 2009, 15:37
 Enthusiast

Flashing on the dashboard.

WHat does this mean?

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  • Answer #1

    Protech2989 March 20, 2009, 16:31
     Journeyman

    ECU monitors transaxle operation. ECU contains a self-diagnostic system which stores a fault code if a transaxle electronic control system failure or problem exists. If a fault code is stored, ECU will turn on and blink "D4" light on instrument panel.

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  • Answer #2

    legendzero1 July 24, 2009, 18:29
     Rookie

    Mine did this right before my speedometer went out.If the speedo goes soon it is your speed sensor. I had this problem and found a speed sensor repair kit online. The kit cost $75.00 plus labor was much cheaper than a new speed sensor.

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