VW Code 15956
15956 Description And Summary : |
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Accumulated in electronic control units so engine coolant level sensor / switch, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system valve for pump - jet: cylinder 7 (n303), regulation range exceeded or ignition coil 'h' primary control, short to plus is the final reason of the code. |
15956 Possible Causes:
15956 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Composition Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 15956 Code
- Inspect all the connections o2 sensor reference voltage bank 2 sensor 1, 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