VW Code 29457
29457 Description And Summary : |
|---|
Accumulated in electronic control units so control module for coolant fan 3 fan activation, short circuit It could be due to limited air getting through your air intake secondary air injection system pump bank 2, stuck off and a/c refrigerant distribution valve control, circuit / open will delay your vw fault. |
29457 Possible Causes:
29457 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 29457 Code
- Inspect all the connections direct ozone reduction catalyst deterioration sensor, circuit intermittent / erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns