Q: O/D light blinks 16 times on 2001 Nissan Sentra

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I recently replace the TPS sensor to fix the delayed shifting. The problem continue and the O/D light flash 16 times. Anyone knows how to fix this issue? Please help
(1) Answer
Unfortunately there isn't much you can do without having a scan tool (even a generic non Nissan specific scan tool may work). There is a 16 pin diagnostic socket under the dash on the driver;s side that once trouble codes are retrieved from the computer in your car the trouble codes will indicate where the trouble is.