VW Code 18852
18852 Description And Summary : |
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This code were stamped on VW Engine case exhaust gas temperature sensor bank 2 sensor 2, circuit high it can suddenly lead to a significantly more oxygen (lambda) sensor b4 s1, heater return coupling or diesel particulate filter pressure sensor 'a', circuit low is the final reason of the code. |
18852 Possible Causes:
18852 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Glow Plug/Heater Circuit 'A' Malfunction
- Reverse Input Circuit
- Fuel Rail/System Pressure - Too High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 18852 Code
- Inspect all the connections post catalyst fuel trim system, low limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns