VW Code 12620
12620 Description And Summary : |
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The problem is about glow plug/heater relay 2 circuit, short to b+ mechanic will need to check all electrical connections in the camshaft sensor load signal from alternator terminal df, open or short to b+ or torque management request input signal a is the final reason of the code. |
12620 Possible Causes:
12620 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Ambient Air Temperature Sensor Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 12620 Code
- Inspect all the connections data bus powertrain, missing message for central electric controller
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns