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1994 Honda Civic with engine code P1687, how do you fix this problem?

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1994 Honda Civic with engine code P1687, how do you fix this problem?

Vehicle: 1994 Honda Civic

1 Answer

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Hi there,

This code indicates an issue with the ECM. Here is some info for you.

P1687 HONDA - Automatic Transmission To Engine Control Module Signal 'B' Input High

Read more: https://www.autocodes.com/p1687_honda.html

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