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Transmission, blinking green warning light on the D

Tiny
LEONPONCE
  • MEMBER
  • 2004 HONDA ACCORD
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 185,000 MILES
Replaced OEM transmission two times with two different transmission car still has the blinking green light on the D I have also replaced ECM shift solenoid and input speed sensor.
Saturday, November 27th, 2021 AT 10:43 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The flashing D in the gear selector means that the transmission control module has detected an error. The flashing light means there is error code(s).
It could be a number of different things.
A good first step would be to scan the vehicle and retrieve those transmission codes. While scanning you will have to make sure that the scanner is capable of retrieving transmission codes.
Knowing the codes can help with the diagnostics.

Please let me know of any questions.
Thank you.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
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Saturday, November 27th, 2021 AT 7:59 PM

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