P0510 NISSAN 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.

There is a Nissan bulletin for the following models:

1995-1996 Nissan Maxima
1995-1997 Nissan Sentra/200SX
1996-1997 Nissan Truck
1995-1997 Nissan Altima
1996-1997 Nissan Pathfinder
1995-1996 Nissan 240SX
1996-1997 Nissan Quest
Nissan Factory Service Bulletin OBDII Code P0510

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 NISSAN OBD Code Description