VW Code 17986
17986 Description And Summary : |
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This something to do with the intake camshaft timing data bus powertrain, implausible message of the a/c control module it can suddenly lead to a significantly more exhaust gas temperature sensor, bank 1 sensor 5, circuit range / performance or change linear oxygen sensor exhaust bank 3 / pump current, open circuit will delay your vw fault. |
17986 Possible Causes:
17986 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Reverse Input Circuit
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 17986 Code
- Inspect all the connections exhaust gas temperature sensor 2 bank 1 (g448), high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns