VW Code 12999
12999 Description And Summary : |
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Diagnosing engine bar with automatic glow time control module 2 (j609), circuit electrical malfunction mechanic will need to check all electrical connections in the camshaft sensor ecm/pcm power relay sense, circuit intermittent or charge pressure fan relay (j712), short to b+ will delay your vw fault. |
12999 Possible Causes:
12999 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Crankshaft Position Sensor A Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 12999 Code
- Inspect all the connections signal 'door up' not recognized
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns