OBD II Fault Code P0503 :

Description of Fault code P0503

OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR SIGNAL MALFUNCTION

Possible failuer P0503

• Vehicle Speed Sensor (internal failure, noise)
• Sensor coupler (loose connection)

Diagnostic Procedure using AutoHex II Scan Tool

• The Vehicle Speed measured by the VSS is detected more than a specified value for a set period of time.

Test Conditions using AutoHex tester

• Continuously

Clear Fault codes Conditions

• The Vehicle Speed measured by the VSS is detected more than a specified value for a set period of time.

MIL Status

• Check Engine Light ON

Note:

• AutoHex II is a professional Auto diagnostic.
• This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
  To get the accurate fault code description you may use AutoHex II

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