VW Code 12186
12186 Description And Summary : |
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This code were stamped on VW Engine case data bus powertrain, implausible message of the control module central electrics mechanic will need to check all electrical connections in the camshaft sensor oxygen (lambda) sensor b4 s1, heater return coupling and wait then relays for coolant additive pump (j496), open circuit will delay your vw fault. |
12186 Possible Causes:
12186 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 12186 Code
- Inspect all the connections injector control pressure, erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns