Should I Drive in D3 or D4?
As for your first question, the only difference between D3 and D4 is D3 wont shift into overdrive. Your transmission is a 4 spd automatic, 4th gear being overdrive. If you want fast acceleration put it in either one, it wont matter.
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.
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.
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.
How can I tell if I have a transmission problem?
The first sign that you may be having transmission problems is that the check engine light (CEL) comes on. You can use a generic OBD-II scanner to retrieve CEL faults, but those codes will not be as helpful as the codes stored in the Powertrain Control Module (PCM) module (also known as transmission control unit).
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.
What does the D4 light on Honda Accord mean?
The “Check Engine” light illuminated, while the “D4” automatic transmission indicator on the dashboard flashed off and on at the same time. The Honda Accord would not drive in fourth gear and acted as it was “slipping”, finally failing to engage in any gear.
What are the OBD codes on a Honda Accord?
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. The check engine lightwill also illuminate, and OBD trouble codesP0700, P0730, P0740, P0780, P1768 and/or P1768 will be stored in the computer.
The first sign that you may be having transmission problems is that the check engine light (CEL) comes on. You can use a generic OBD-II scanner to retrieve CEL faults, but those codes will not be as helpful as the codes stored in the Powertrain Control Module (PCM) module (also known as transmission control unit).