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DTC P0501/16885 - Vehicle Speed Sensor Range/Performance

NOTE: DTC is set after engine start when coolant temperature is more than 176°F (80°C) with engine speed between 1300-6000 RPM when Vehicle Speed Sensor (VSS) signal is less than one MPH during a deceleration fuel shut-off. Deceleration fuel shut-off must be longer then 3 seconds.
  1. Turn ignition off. Disconnect Powertrain Control Mod.
  2. If voltage tester does not perform as specified, go to next step. If voltage tester performs as specified, circuit is okay. Erase DTC memory and test drive vehicle.
  3. Using DVOM, check wiring harness between test box socket 13X and VSS, and test box socket C13 and VSS. See WIRING DIAGRAMS  section. Repair wiring harness as necessary. If wiring is okay, replace VSS. Perform steps 2) and 3) again. After replacing VSS, if voltage tester does not perform as specified, replace faulty PCM. Erase DTC memory and test drive vehicle.
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