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Engine-Codes.com | All About OBDII Engine Codes


P0510 - Closed Throttle Position Switch Malfunction

P0510 Comments |  Add Comment
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
Help with Possible causes What does this mean?
Tech notes
Adjusting the Throttle Position Switch (TPS) may take care of the problem, if the problem persist the TPS may need to be replaced.
Help with Tech Notes What does this mean?
When is the code detected?
Malfunction is detected when battery voltage from the closed throttle position switch is sent to ECM with the throttle valve opened.
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine idle problems
- Possible hard to start
- Possible shifting problems
P0510 Description

A closed Throttle Position Switch (TPS) and wide open TPS are built into the throttle position sensor unit on most vehicles, on older vehicles the TPS is a separate unit. The wide open throttle position switch is used only for A/T control. When the throttle valve is in the closed position, the closed throttle position switch sends a voltage signal to the Engine Control Module (ECM). The ECM only uses this signal to open or close the EVAP canister purge volume control solenoid valve when the throttle position sensor is malfunctioning.

P0510 Information for specific makes
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