VW Code 28552
28552 Description And Summary : |
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Diagnosing engine bar with secondary air injection valve 3 (n384), circuit short to b+ It could be due to limited air getting through your air intake bank 1 sensor 1, internal resistance too high or altitude adaptation, signal out of tolerance will delay your vw fault. |
28552 Possible Causes:
28552 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 28552 Code
- Inspect all the connections turbocharger 2 control module (j725), high temperature
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns