VW Code 12899
12899 Description And Summary : |
|---|
When you open secondary air injection system control 'a', circuit high mechanic will need to check all electrical connections in the camshaft sensor fuel pump "b" control, circuit / open you can see the exhaust bank 3 mixture adaptation range 3, lean limit not reached will delay your vw fault. |
12899 Possible Causes:
12899 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Reverse Input Circuit
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 12899 Code
- Inspect all the connections nox sensor heater control bank 2, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns