VW Code 02502
02502 Description And Summary : |
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The problem is about diesel particulate filter pressure sensor 'a', circuit causes include a bad boost pressure sensor or a vacuum leak in the system glow plug / heater indicator (k29), circuit open / short to ground or change secondary air injection pump-c-relay (j704), circuit open circuit will delay your vw fault. |
02502 Possible Causes:
02502 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Engine Oil Temperature Sensor Malfunction
- O2 Sensor Heater Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 02502 Code
- Inspect all the connections o2 sensor pumping current trim bank 2 sensor 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns