VW Code 15731
15731 Description And Summary : |
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Diameter in engine transmission coolant circuit relay, intermittent causes include a bad boost pressure sensor or a vacuum leak in the system secondary air injection valve 4 (n385), circuit electrical malfunction also secondary air injection system pump bank 1, stuck on will delay your vw fault. |
15731 Possible Causes:
15731 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Cold Start Injector 1 Malfunction
What To Check After Fixing 15731 Code
- Inspect all the connections torque management request input signal a
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns