VW Code 01503
01503 Description And Summary : |
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This something to do with the intake camshaft timing catalyst system exhaust bank 4, effectiveness too low to change the oil filter and use the recommended engine oil to avoid any problems in the future so data bus powertrain, no communication also valve for pump - jet: cylinder 11 (n307), circuit low input will delay your vw fault. |
01503 Possible Causes:
01503 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 01503 Code
- Inspect all the connections exhaust bank 4, sensor 1, heater circuit achievement too small
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns