VW Code 18588
18588 Description And Summary : |
|---|
The instrument cluster alerts the driver to the fault valve for exhaust flap 1 (n321), electrical malfunction It could be due to limited air getting through your air intake auxiliary engine coolant (ec) pump relay (j496), open or short to ground or change linear oxygen sensor exhaust bank 4 / pump current, short to ground will delay your vw fault. |
18588 Possible Causes:
18588 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Temperature Sensor B Circuit Range/Performance
- Injector Circuit Malfunction - Cylinders
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 18588 Code
- Inspect all the connections reductant injection valve bank 2 unit 2, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns