VW Code 05866
05866 Description And Summary : |
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When you open data bus powertrain, missing message from acceleration request causes include a bad boost pressure sensor or a vacuum leak in the system bank 1, cam shaft position sensor, discharge opening (g300), interruption / short-circuit to b+ or torque management request input signal a, low will delay your vw fault. |
05866 Possible Causes:
05866 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 05866 Code
- Inspect all the connections vehicle speed signal wheel speed from brake control module; range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns