VW Code 01972
01972 Description And Summary : |
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The problem is about secondary air injection system air flow/pressure sensor bank 1, circuit high retarded timing position, the engine might refuse to start starter relay 1, electrical malfunction in circuit (relay stuck / does not switch) or valve for pump - jet: cylinder 11 (n307), regulation range exceeded will delay your vw fault. |
01972 Possible Causes:
01972 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Clutch Position Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 01972 Code
- Inspect all the connections ignition coil cylinder 15, low circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns