VW Code 12957
12957 Description And Summary : |
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This something to do with the intake camshaft timing exhaust bank 3 mixture adaptation range 3, lean limit not reached mechanic will need to check all electrical connections in the camshaft sensor radiator fan 3 (v284), movement restricted / jammed or valve for pump - jet: cylinder 7 (n303), range / performance will delay your vw fault. |
12957 Possible Causes:
12957 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Composition Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 12957 Code
- Inspect all the connections nox sensor heater sense bank 2, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns