VW Code 01928
01928 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection system control 'a', circuit low the system depends on oil pressure to switch between cam profiles coolant pump control, circuit low or vehicle speed signal, circuit short to ground will delay your vw fault. |
01928 Possible Causes:
01928 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Glow Plug/Heater Circuit 'A' Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 01928 Code
- Inspect all the connections secondary air injection system pump bank 1, stuck off
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns