Porsche P0123 Throttle Position Sensor/Accelerator Position Pedal Circuit High Input

Description

OBD-II Trouble Code Description for P0123 Porsche

Throttle/Pedal Position Sensor/Switch “A” Circuit High

What does this mean?

OBD2 Code P0123 Porsche definition:
A P0123 Porsche code means that the the car’s computer has detected that the TPS (throttle position sensor) is reporting too high a voltage.

Symptoms

Possible sumptoms of OBD code P0123 Porsche
Rough idle High idle Surging other symptoms may also be present

Causes

Possible causes of OBD code P0123 Porsche
A code P0123 Porsche may mean that one or more of the following has happened: TPS not mounted securely TPS circuit short to ground or another wire Faulty TPS Damaged computer (PCM)

Possible Solutions

If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back. If there are symptoms such as the engine is stumbling or hesitating, carefully inspect all wiring and connectors that lead to the TPS. More than likely the problem is with the TPS wiring. Check the voltage at the TPS (refer to a service manual for your vehicle for this specific information). If the voltage spikes or is too high (over 4.65 volts with key on, engine off), then that is indicative of a problem. Carefully trace each wire from the TPS wiring harness to check for breaks, rubbing against other components, etc.

Related Codes

P0120 Porsche P0121 Porsche P0122 Porsche P0123 Porsche P0124 Porsche


The OBD2 Code Information Be Applicable For Porsche:

2013 Porsche Cayenne,2013 Porsche Boxster S,2013 Porsche Boxster,2013 Porsche 911,2012 Porsche Panamera,2012 Porsche 911,2011 Porsche 911,2010 Porsche Panamera,2010 Porsche Cayenne,2010 Porsche 911 GT3,2009 Porsche 911,2008 Porsche Cayenne,2008 Porsche Boxster,2008 Porsche 911,2007 Porsche Cayman,2007 Porsche Cayman,2007 Porsche Boxster,2007 Porsche Boxster,2007 Porsche 911,2006 Porsche 911,2005 Porsche Boxster S,2005 Porsche Boxster,2005 Porsche 911,2004 Porsche 911,2003 Porsche 911

 

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