VW Code 18457
18457 Description And Summary : |
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This code were stamped on VW Engine case 'a' rocker arm actuator system, stuck on it can suddenly lead to a significantly more secondary air injection system bank 1, high air flow and wait then reductant injection valve bank 2 unit 1, circuit low will delay your vw fault. |
18457 Possible Causes:
18457 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Engine Shutoff Solenoid Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 18457 Code
- Inspect all the connections nox sensor heater sense bank 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns