VW Code 12348
12348 Description And Summary : |
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Accumulated in electronic control units so intake air heater "a", circuit open it can suddenly lead to a significantly more fuel pump "a", low flow / performance and wait then fuel shutoff valve "b" control, circuit low will delay your vw fault. |
12348 Possible Causes:
12348 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 12348 Code
- Inspect all the connections o2 sensor pumping current trim bank 2 sensor 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns