P0510 INFINITI Closed Throttle Position Switch Fault

Possible causes

– Throttle Position Switch (TPS) Adjustment
– Faulty Throttle Position Switch (TPS)
– Throttle Position Switch (TPS) harness open or shorted
– Throttle Position Switch (TPS) circuit poor electrical connection

Tech description

Adjusting the Throttle Position Switch (TPS) may take care of the problem, if the problem persist the TPS may need to be replaced.

When is the obd code mean?

Malfunction is detected when battery voltage from the closed throttle position switch is sent to ECM with the throttle valve opened.

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)
– Engine idle problems
– Possible hard to start
– Possible shifting problems

P0510 INFINITI OBD Code Description