What does a blinking D4 transmission light mean?

keith July 6, 2016, 3:00am #2 A blinking D4 light is like a check engine light for the transmission. Regular code readers like the ones used by AutoZone will not read the transmission codes. You will need to take the vehicle to a dealer or a trusted transmission repair shop.

Why is the Check Engine light flashing on my Honda Odyssey?

Rough shifting may occur, and the “D4” light and check engine may begin to blink. The check engine light will also illuminate, and OBD trouble codes P0700, P0730, P0740, P0780, P1768 and/or P1768 will be stored in the computer. If the transmission shifts roughly, the failure is very likely mechanical failure of the transmission.

Why are the D4 lights flashing on my Honda Accord?

Honda Accord Check Engine and D4 Lights Flashing Problem Description Honda Accord models may develop shifting issues with the automatic transmissionaccompanied by warning lights. Rough shifting may occur, and the “D4” light and check engine may begin to blink.

What are the colors of the D4 light?

The wire colors are red and green/blue. Short the two pins of this plug with a short piece of wire or paper clip. Turn the key to the on position and the D4 will blink a code. One short blink = lock up clutch does not engage/disengage or unstable idle speed. Lockup control solenoid valve A Two short blinks = lockup clutch does not engage.

What does a blinking D4 light on a Honda Accord mean?

A blinking D4 light is like a check engine light for the transmission. Regular code readers like the ones used by AutoZone will not read the transmission codes. You will need to take the vehicle to a dealer or a trusted transmission repair shop.