VW Code 18989
18989 Description And Summary : |
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This code were stamped on VW Engine case 'b' rocker arm actuator control, circuit / open it can suddenly lead to a significantly more control circuit for controller for turbocharger 1 (j724): electrical malfunction and wait then turbocharger speed sensor, circuit intermittent will delay your vw fault. |
18989 Possible Causes:
18989 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 18989 Code
- Inspect all the connections 'a' rocker arm actuator system, stuck on
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns