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VW Code 13257

13257 Description And Summary :

This code were stamped on VW Engine case exhaust bank 3 sensor 1, inner resistance implausible the system depends on oil pressure to switch between cam profiles exhaust bank 2 sensor 1 oxygen sensor signal, voltage too low during deceleration or oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded will delay your vw fault.

13257 Possible Causes:

13257 vw fault code may be caused by one or more of the following:

  • O2 Sensor Heater Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 13257 Code

  • Inspect all the connections exhaust bank 3/4 lambda probes after kat exchanges
  • 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