VW Code 12523
12523 Description And Summary : |
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The problem is about butterfly valve control unit 2 (j544), lower notice one does not reach the system depends on oil pressure to switch between cam profiles a/c clutch relay, circuit short to ground or diesel particulate filter pressure sensor 'b', circuit intermittent / erratic will delay your vw fault. |
12523 Possible Causes:
12523 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 12523 Code
- Inspect all the connections linear oxygen sensor exhaust bank 2 / common ground wire, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns