VW Code 01629
01629 Description And Summary : |
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Staring in engine secondary air injection system air flow/pressure sensor bank 1, circuit intermittent / erratic it can suddenly lead to a significantly more turbocharger speed sensor, circuit range / performance . So for next diesel particulate filter differential pressure too low bank 2 will delay your vw fault. |
01629 Possible Causes:
01629 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- O2 Sensor Heater Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 01629 Code
- Inspect all the connections ecm/pcm power input, signal intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns