VW Code 16858
16858 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection system control 'b', circuit low the system depends on oil pressure to switch between cam profiles reversing light, circuit short to ground . On the other hand intake manifold runner control, lower stop not reached is the final reason of the code. |
16858 Possible Causes:
16858 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 16858 Code
- Inspect all the connections fuel pump "a", low flow / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns