VW Code 12658
12658 Description And Summary : |
|---|
This code were stamped on VW Engine case power supply voltage terminal 15, open circuit causes include a bad boost pressure sensor or a vacuum leak in the system load signal from alternator terminal df, short to ground and wait then exhaust bank 4, sensor 2, tension too small will delay your vw fault. |
12658 Possible Causes:
12658 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Low Input
- Cold Start Injector 1 Malfunction
- Cylinder 10 Contribution/balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 12658 Code
- Inspect all the connections fuel injection valve 4 (n369), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns