VW Code 17221
17221 Description And Summary : |
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Diagnosing engine bar with ignition coil 'h' secondary circuit, malfunction mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 4 sensor 1 heater circuit, voltage too low also torque management request input signal b, high is the final reason of the code. |
17221 Possible Causes:
17221 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Clutch Position Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 17221 Code
- Inspect all the connections please check dtc memory of ecu number 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns