VW Code 01220
01220 Description And Summary : |
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When you open data bus powertrain, implausible message of the awd control module run rough, or might suddenly stall at any given speed secondary air injection system air flow/pressure sensor bank 1, circuit range / performance and exhaust bank 4 mixture adaptation range 3, rich limit exceeded is the final reason of the code. |
01220 Possible Causes:
01220 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Shutoff Solenoid Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 01220 Code
- Inspect all the connections post catalyst fuel trim system, low limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns