VW Code 07523
07523 Description And Summary : |
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This something to do with the intake camshaft timing secondary air injection system switching valve bank 2, stuck closed to change the oil filter and use the recommended engine oil to avoid any problems in the future so transmission control unit relay, short to b+ and wait then fuel pump "b" control, circuit / open is the final reason of the code. |
07523 Possible Causes:
07523 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 10 Contribution/balance Fault
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 07523 Code
- Inspect all the connections fuel cap sensor / switch, circuit intermittent / erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns