DTC P0720: Notes

• Vehicle speed signal is not input after the following conditions are met and 4.5 s or more  have passed.
  • D, or M range switch ON
  • Engine coolant temperature 60 °C {140 °F} or more 
  • Turbine speed 1,500 RPM or more 

Diagnostic support note: 

• This is a continuous monitor (CCM).
• The MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
• The PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle.
• FREEZE FRAME DATA is available.
• The AT warning light illuminates.
• The DTC is stored in the PCM memory.

• VSS malfunction
• Open circuit in wiring harness between VSS terminal B and PCM terminal 1J
• Short to ground in wiring harness between VSS terminal B and PCM terminal 1J
• Open circuit in wiring harness between VSS terminal A and main relay terminal C
• Short to ground in wiring harness between VSS terminal A and main relay terminal C
• Open circuit in wiring harness between VSS terminal C and body ground
• Damaged connectors between VSS and PCM
• PCM malfunction