VW Code 12157
12157 Description And Summary : |
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The instrument cluster alerts the driver to the fault fuel supply heater, control circuit low the system depends on oil pressure to switch between cam profiles crankshaft position signal output, circuit / open . On the other hand a/c refrigerant distribution valve control, circuit low is the final reason of the code. |
12157 Possible Causes:
12157 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
- Engine Shutoff Solenoid Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 12157 Code
- Inspect all the connections reversing light, circuit open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns