What does computer code p1259 mean on 1999 Honda accords?

P1259 is a diagnostic trouble code (DTC) for the Honda Accord. It means that the Vehicle Speed Sensor (VSS) circuit is malfunctioning. The VSS is responsible for measuring the speed of the vehicle and sending this information to the engine control unit (ECU). The ECU uses this information to control the fuel injection and ignition timing.

A number of things can cause the P1259 code to set, including:

* A faulty VSS

* A damaged wiring harness

* A problem with the ECU

If you are experiencing the P1259 code, it is important to have your vehicle diagnosed by a qualified mechanic. Ignoring this code can lead to serious problems, such as engine damage.

Here are some of the symptoms that may be associated with the P1259 code:

* The speedometer does not work

* The odometer does not work

* The cruise control does not work

* The engine stalls or hesitates

* The fuel economy is poor

If you are experiencing any of these symptoms, it is important to have your vehicle diagnosed by a qualified mechanic as soon as possible.