VW Code 04788
04788 Description And Summary : |
|---|
This code were stamped on VW Engine case butterfly valve control unit 2 (j544), adaptation not started mechanic will need to check all electrical connections in the camshaft sensor linear oxygen sensor exhaust bank 4 / common ground wire, short to ground and wait then engine coolant level low will delay your vw fault. |
04788 Possible Causes:
04788 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Reverse Input Circuit
- Timing Reference High Resolution Signal A Too Many Pulses
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 04788 Code
- Inspect all the connections fuel mixture control adjustment range 3, higher limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns