VW Code 16646
16646 Description And Summary : |
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The instrument cluster alerts the driver to the fault torque management request input signal a, low It could be due to limited air getting through your air intake secondary air injection system switching valve bank 2, stuck open or change o2 sensor reference voltage bank 2 sensor 1, performance will delay your vw fault. |
16646 Possible Causes:
16646 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Clutch Position Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- O2 Sensor Heater Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 16646 Code
- Inspect all the connections torque management feedback signal "a", 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