VW Code 07770
07770 Description And Summary : |
|---|
The problem is about please check dtc memory of air condition ecu retarded timing position, the engine might refuse to start secondary air injection system air flow/pressure sensor bank 1, circuit also reductant injection valve bank 1 unit 1, circuit low will delay your vw fault. |
07770 Possible Causes:
07770 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 07770 Code
- Inspect all the connections power supply terminal 30, voltage too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns