FixVault

DTC P0501: Vehicle Speed Sensor A Range/Performance: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible Cause
Case1) DTC Strategy
  • Plausibility check
  • Open or short in harness
  • Contact resistance in connectors
  • Faulty wheel speed sensor
Enable Condition s
  • Engine speed > 2100 rpm
  • Engine load > 250 mg/rev.
  • Coolant temperature > 60°C(140°F)
  • 10V< Battery voltage < 16V
  • No fuel shut-off
Threshold Value
  • Vehicle speed=0 with high engine speed and engine load
Diagnostic Time
  • 60 seconds
Case2) DTC Strategy
  • Electrical check
Enable Condition s
  • Vehicle speed > 0
  • 10V < Battery voltage < 16V
Threshold Value
  • Check bias node voltage of the input signal circuit
Diagnostic Time
  • 10 seconds