These computers often fail due to a faulty Idle Control Valve (IAC) or in some cases, a broken Motor Mount (electric hydraulic motor mount kills the wiring harness that connects to it). If your Idle Control Valve failed, and diagnostic scanning is showing trouble code 0505, your ECU is damaged.

Known problems addressed by our repair service:

• No Start
• No Communication via OBD2
• Low Idle, High Idle, or Idle Up and Down and Check Engine Trouble Code P0505 For Idle Control Valve (IACV)
• Misfire (no signal from the ECU to the ignition coil/s)
• Misfire (no signal to the injector/s)
• Missing Speed Signal code P0500
• Heated Oxygen Sensor/s code
• No reading from the O2 sensors (check engine light for O2 sensor/s)
• No reading on Crank or Cam shaft position sensors
• No reading on MAF (Mass Air Flow sensor)
• Swirl Control Valve code
• Purge Control Valve code
• Knock sensor code
• Fuel Level Sensor code

Compatible Part Numbers Include:

• 4K JA56R31 BD1
• 3Q JA56R32 BD2
• WX JA56Q20 B57
• 3Q JA56R10 B86
• OW JA56Q22 B59
• 3N JA56R08 B84

It is your mechanic's responsibility to pinpoint the problem to the ECU. If you or someone else tried to repair your engine computer, we can evaluate and possibly repair it, but only in the case that no additional damage was created. Please note, not all modules are repairable.