VW Code 28652
28652 Description And Summary : |
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Accumulated in electronic control units so intake air heater "a", circuit causes include a bad boost pressure sensor or a vacuum leak in the system secondary air injection pump-d-relay (j705), circuit short to ground and wait then rough road / engine torque signal from abs; electrical malfunction will delay your vw fault. |
28652 Possible Causes:
28652 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 28652 Code
- Inspect all the connections load signal from alternator terminal df, 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