VW Code 12973
12973 Description And Summary : |
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This code were stamped on VW Engine case linear oxygen sensor exhaust bank 3 / common ground wire, open circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so change-over valve for intake manifold flap 2, high or change data bus powertrain, missing message from a/c controller is the final reason of the code. |
12973 Possible Causes:
12973 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Timing Reference High Resolution Signal A Too Many Pulses
- Glow Plug/Heater Circuit 'A' Malfunction
- Clutch Position Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 12973 Code
- Inspect all the connections bank 1, exhaust cam wave position sensor (g300) / crankshaft position sensor (g28), wrong allocation
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns