VW Code 12702
12702 Description And Summary : |
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This something to do with the intake camshaft timing reductant temperature sensor, circuit intermittent retarded timing position, the engine might refuse to start exhaust bank 4 sensor 1, voltage too low or air leak also bank 2, exhaust cam wave position sensor (g301) / crankshaft position sensor (g28), wrong allocation will delay your vw fault. |
12702 Possible Causes:
12702 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Composition Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 12702 Code
- Inspect all the connections reductant injection air pressure sensor 'a', circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns