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Blinking d light, code P1888

Tiny
JAY AR SULO
  • MEMBER
  • 2005 HONDA JAZZ
  • 1.3L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 118,000 MILES
I have the car listed above CVT idsi. Blinking d light.P1888 dtc appeared. Reverse is okay but drive is failing. I already changed CVT speed sensor. Checked wiring and harness seems fine and with continuity. What could be the problem? Please help me. Thank you in advance.
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Tuesday, May 18th, 2021 AT 7:46 AM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,244 POSTS
Let's check the fluid condition to see if the transmission is burnt which is common in these cars. Lets try to do a fluid service. here is a guide to help you step by step with instructions in the diagrams below to show you how on your car:

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Wednesday, May 19th, 2021 AT 11:57 AM
Tiny
JAY AR SULO
  • MEMBER
  • 4 POSTS
It seems like my CVT fluid is fine, the color is okay and no burnt smell. One more thing I noticed is that everytime I try to test drive the vehicle in cold condition the drive mode works but after approximately 1 0minutes when the vehicle turns to optimal temperature the problem occurs again.
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Wednesday, May 19th, 2021 AT 2:59 PM
Tiny
NICKOLAOSF
  • MECHANIC
  • 69 POSTS
Hi Jay Ar Sulo,

It sounds like transmission issues and should proceed to diagnosis.
Here are a chart below to proceed. For the that code.
Also if you have a tester to check transmission temperature that would help as well.
Let us know what happens and please upload pictures or videos of the problem.
Cheers, Nick
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Wednesday, May 19th, 2021 AT 10:59 PM
Tiny
JAY AR SULO
  • MEMBER
  • 4 POSTS
Hello sir. I noticed on the diagram you send to me is for Honda Civic, my car is Honda Jazz. Do you think they have just the same diagram?
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Thursday, May 20th, 2021 AT 5:15 AM
Tiny
NICKOLAOSF
  • MECHANIC
  • 69 POSTS
Yes the procedure is the same, my program does not show Jazz, use that for now
you can test the speed sensor see chart below.
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Thursday, May 20th, 2021 AT 5:20 AM

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