VW Code 18988
18988 Description And Summary : |
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Staring in engine control circuit for controller for turbocharger 1 (j724): electrical malfunction it can suddenly lead to a significantly more a/c refrigerant distribution valve control, circuit / open . So for next evaporative emission system leak detection pump control, circuit / open is the final reason of the code. |
18988 Possible Causes:
18988 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Ambient Air Temperature Sensor Circuit Low
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 18988 Code
- Inspect all the connections hydraulic pump for overdrive / low range (v190), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns