VW Code 28790
28790 Description And Summary : |
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When you open diesel particulate filter regeneration frequency the system depends on oil pressure to switch between cam profiles cylinder 5 above knock threshold or change drive by wire-mil (k132), circuit open will delay your vw fault. |
28790 Possible Causes:
28790 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Timing Reference High Resolution Signal A Too Many Pulses
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Glow Plug/Heater Circuit 'A' Malfunction
- Clutch Position Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 28790 Code
- Inspect all the connections turbocharger control module, faulty
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns