VW Code 07621
07621 Description And Summary : |
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The problem is about torque management feedback signal "a", range / performance retarded timing position, the engine might refuse to start exhaust gas recirculation throttle control, circuit 'a' high also reversing light, circuit short to ground is the final reason of the code. |
07621 Possible Causes:
07621 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
- Reverse Input Circuit
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 07621 Code
- Inspect all the connections glow plug/heater relay 2 circuit, open or 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