VW Code 18311
18311 Description And Summary : |
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When you open data bus powertrain, implausible message from immobilizer to change the oil filter and use the recommended engine oil to avoid any problems in the future so glow plug / heater relay, circuit short to b+ . On the other hand exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at upper limit is the final reason of the code. |
18311 Possible Causes:
18311 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Cylinder 10 Contribution/balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 18311 Code
- Inspect all the connections ignition coil 'j' primary control, 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