VW Code 12238
12238 Description And Summary : |
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Diagnosing engine bar with valve for coolant system circuit, high causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 3 mixture adaptation range 3, lean limit not reached and wait then data-bus powertrain, hardware defective is the final reason of the code. |
12238 Possible Causes:
12238 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Temperature Sensor B Circuit Range/Performance
- Engine Shutoff Solenoid Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 12238 Code
- Inspect all the connections torque management request input signal a
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns