VW Code 18258
18258 Description And Summary : |
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The instrument cluster alerts the driver to the fault torque management request input signal b, low causes include a bad boost pressure sensor or a vacuum leak in the system data-bus powertrain, implausible message from brake controller . So for next pressure sensor for brake boost (g294), implausible signal is the final reason of the code. |
18258 Possible Causes:
18258 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- O2 Sensor Heater Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Injector Circuit Malfunction - Cylinders
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 18258 Code
- Inspect all the connections exhaust gas temperature sensor bank 1 sensor 2, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns