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Transmission shift light D4 light stays on

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi ScrawnyOne,

There are 2 possibilities for the symptoms described.

1. Clogged strainer in transmission or insufficient trans fluid.

2. Faulty Transmission Control Module.

Does the D4 ( or S mode if equipped) indicator light blinks when problem ocurs?
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Thursday, September 27th, 2018 AT 8:39 AM (Merged)
Tiny
IMPALASS
  • MECHANIC
  • 3,112 POSTS
Hello

Fantastic, glad it is working now.

Thank for using our services. Please use us again and tell others.
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Thursday, September 27th, 2018 AT 8:39 AM (Merged)
Tiny
SCRAWNYONE
  • MEMBER
  • 2 POSTS
Yes the S light has been blinking for sometime. As a matter of fact it never blinked until I had some work done and the moter was removed, and after this the light started to blink and the issue with the tranny.
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Thursday, September 27th, 2018 AT 8:39 AM (Merged)

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