U2659 Engine Trouble Code

Meaning of U2659 engine trouble code is a kind of network trouble code and U2659 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,140 and you can't do it yourself unless you're an experienced mechanic.

U2659 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for U2659 code is occuring now you should check U2659 repair processes.
Now don't ask yourself; What should you do with U2659 code ?
The solution is here :

U2659 Possible Solution:

U2659 Engine

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

U2659 Code Meaning :

U 2 6 5 9
OBD-II Diagnostic Network (U) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Fuel Temperature Sensor B Circuit Range/Performance Cylinder 1 Injector Circuit Low Reverse Input Circuit

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

U2659 OBD-II Diagnostic Network (U) Trouble Code Description

U2659 engine trouble code is about Reverse Input Circuit.

Main reason For U2659 Code

The reason of U2659 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

U2659 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.