VW Code 12438
12438 Description And Summary : |
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Accumulated in electronic control units so intake manifold tuning (imt) valve position sensor / switch bank 1, circuit range / performance it can suddenly lead to a significantly more evaporative emissions (evap) fuel vapour temperature sensor, performance also cylinder 2 above knock threshold will delay your vw fault. |
12438 Possible Causes:
12438 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Engine Oil Temperature Sensor Malfunction
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor A Circuit Low Input
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12438 Code
- Inspect all the connections data bus powertrain, missing message from control module electric parking brake
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns