VW Code 18688
18688 Description And Summary : |
|---|
Diameter in engine secondary air injection system air flow/pressure sensor bank 1, circuit low the system depends on oil pressure to switch between cam profiles linear oxygen sensor exhaust bank 1, compensation wire pump current, open circuit also valve for exhaust flap 2 (n322), short to ground will delay your vw fault. |
18688 Possible Causes:
18688 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Clutch Position Sensor Circuit Malfunction
- Reverse Input Circuit
- Fuel Composition Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 18688 Code
- Inspect all the connections power supply voltage terminal 15, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns