VW Code 12703
12703 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 3, probe 1 heating circuit achievement too small retarded timing position, the engine might refuse to start relays for pump load air cooling (j536), interruption / short-circuit after mass also torque management request input signal a will delay your vw fault. |
12703 Possible Causes:
12703 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 12703 Code
- Inspect all the connections secondary air injection valve 4 (n385), circuit open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns