VW Code 02646
02646 Description And Summary : |
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The problem is about ignition switch accessory position, circuit high mechanic will need to check all electrical connections in the camshaft sensor powertrain databus, implausible engine temperature message from inst. and wait then exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at upper limit is the final reason of the code. |
02646 Possible Causes:
02646 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Turbocharger Boost Sensor A Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor A Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 02646 Code
- Inspect all the connections engine torque reduction, open / short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns