VW Code 02491
02491 Description And Summary : |
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The problem is about fuel additive control module warning lamp request it can suddenly lead to a significantly more glow plug indictor light (k29), malfunction message from instrument cluster or change accelerator pedal position sensor 1 (g79), signal too high is the final reason of the code. |
02491 Possible Causes:
02491 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Engine Oil Temperature Sensor Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Reverse Input Circuit
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 02491 Code
- Inspect all the connections turbocharger boost control position sensor 'b', circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns