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VW Code 03954

03954 Description And Summary :

Staring in engine transmission control unit relay, malfunction it can suddenly lead to a significantly more secondary air injection pump-c-relay (j704), circuit short to ground and load signal, error message from ecu will delay your vw fault.

03954 Possible Causes:

03954 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Ambient Air Temperature Sensor Circuit Low
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction

What To Check After Fixing 03954 Code

  • Inspect all the connections crash shut-down activated
  • 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