Parking Position Switch indicates that Shift Lever is in P range or not.
Smartkey Module decides that engine starting is enable after receiving Parking Position Switch signal.
SMARTKEY Module sets DTC B1971 if vehicle speed is over 3km/h while parking switch signal is ON.
Item
Detecting Condition
Possible cause
DTC Strategy
Check Voltage
Poor Connection in harness
Faulty Parking Switch
Faulty Smartkey Module
Enable Conditions
After battery Voltage is energized to Smartkey Module
Threshold value
After IGN ON, Vehicle speed is over 3km/h with brake switch ON for 10 seconds.
Failsafe
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