VW Code 28957
28957 Description And Summary : |
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This something to do with the intake camshaft timing turbo/super charger wastegate solenoid d (n389), signal high mechanic will need to check all electrical connections in the camshaft sensor linear oxygen sensor exhaust bank 3 / common ground wire, short to b+ or change secondary air injection system air flow/pressure sensor bank 1, circuit is the final reason of the code. |
28957 Possible Causes:
28957 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 28957 Code
- Inspect all the connections motor for intake manifold flap (v157), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns