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VW Code 01252

01252 Description And Summary :

When you open exhaust gas temperature sensor 2 bank 2 (g449), electrical malfunction retarded timing position, the engine might refuse to start radiator exhaust control 2, short-circuit after pluses or change secondary air injection system pump bank 2, stuck off will delay your vw fault.

01252 Possible Causes:

01252 vw fault code may be caused by one or more of the following:

  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Engine Oil Temperature Sensor Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Cylinder 1 Injector Circuit Low

What To Check After Fixing 01252 Code

  • Inspect all the connections relays for pump load air cooling (j536), interruption / short-circuit after mass
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range