VW Code 12402
12402 Description And Summary : |
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Diagnosing engine bar with data bus powertrain, implausible message of the a/c control module to change the oil filter and use the recommended engine oil to avoid any problems in the future so intake manifold flap; bank 1, stuck open . On the other hand torque management feedback signal "b", high is the final reason of the code. |
12402 Possible Causes:
12402 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Reverse Input Circuit
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 4 Contribution/Balance Fault
- Cold Start Injector 1 Malfunction
What To Check After Fixing 12402 Code
- Inspect all the connections fuel injector group 'c' supply voltage, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns