VW Code 13603
13603 Description And Summary : |
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Staring in engine secondary air injection pump-d-relay (j705), circuit short to b+ run rough, or might suddenly stall at any given speed a/c request b, circuit low and wait then injection pump, fuel calibration not learned is the final reason of the code. |
13603 Possible Causes:
13603 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 13603 Code
- Inspect all the connections data bus powertrain, missing message from control module battery monitoring
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns