VW Code 13720
13720 Description And Summary : |
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Accumulated in electronic control units so glow plug / heater indicator (k29), circuit short to b+ It could be due to limited air getting through your air intake secondary air injection pump-d-relay (j705), circuit short to ground and wait then starter interlock, circuit short to ground is the final reason of the code. |
13720 Possible Causes:
13720 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Fuel Rail/System Pressure - Too High
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 13720 Code
- Inspect all the connections data-bus powertrain, implausible message from engine controller
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns