VW Code 12004
12004 Description And Summary : |
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This code were stamped on VW Engine case torque management feedback signal "a" run rough, or might suddenly stall at any given speed throttle/fuel inhibit, circuit low and wait then oxygen (lambda) sensor b2 s1, signal shorted to heater circuit will delay your vw fault. |
12004 Possible Causes:
12004 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Glow Plug/Heater Circuit 'A' Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 12004 Code
- Inspect all the connections exhaust bank 4, sensor 2 heater circuit, interruption
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns