VW Code 16278
16278 Description And Summary : |
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This code were stamped on VW Engine case nox sensor heater control bank 2, circuit high retarded timing position, the engine might refuse to start oxygen (lambda) sensor b3 s1, heater return coupling . So for next givers 2 for intake air temperature (g299), signal too small will delay your vw fault. |
16278 Possible Causes:
16278 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Shift Solenoid E Performance or Stuck Off
- Engine Shutoff Solenoid Malfunction
- Fuel Rail/System Pressure - Too High
- Reverse Input Circuit
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 16278 Code
- Inspect all the connections automatic glow time control module 2 (j609), circuit electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns