VW Code 28770
28770 Description And Summary : |
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When you open signal for back-up lights, short to b+ It could be due to limited air getting through your air intake exhaust gas temperature control bank 4, range / performance you can see the please check dtc memory of airbag ecu will delay your vw fault. |
28770 Possible Causes:
28770 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ambient Air Temperature Sensor Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor B Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 28770 Code
- Inspect all the connections intake manifold runner control, circuit low bank 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns