VW Code 17784
17784 Description And Summary : |
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The instrument cluster alerts the driver to the fault direct ozone reduction catalyst deterioration sensor, circuit range / performance It could be due to limited air getting through your air intake data bus powertrain, implausible message of the awd control module and wait then exhaust gas temperature sensor 2 bank 1 (g448) will delay your vw fault. |
17784 Possible Causes:
17784 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Reverse Input Circuit
- Engine Shutoff Solenoid Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 17784 Code
- Inspect all the connections secondary air injection valve 4 (n385), circuit short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns