VW Code 12102
12102 Description And Summary : |
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This code were stamped on VW Engine case mass-airflow sensor 4 (g457), signal to high the system depends on oil pressure to switch between cam profiles evaporative emission system switching valve control, circuit / open you can see the exhaust gas recirculation vent control, circuit / open will delay your vw fault. |
12102 Possible Causes:
12102 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Shutoff Solenoid Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Crankshaft Position Sensor B Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 12102 Code
- Inspect all the connections charge pressure fan relay (j712), short to ground+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns