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P1780 error code - 2001 Kia Sephia

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Manual showing low torque converter input, best to take it to a transmission repair shop.

Posted on Sep 29, 2009

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Posted on Jan 02, 2017

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Code p1780 storedin memory. the c


Gary, Depends on year, make and model. Transmission code P1780 - Trans Control Switch (O/D Cancel) Out of Self Test Range,Pressure switch circuit, Park/Neutral Position [PNP] Switch Circuit, see other reasons in the links below.
If no drive ability issues, erase code and see if it comes back. If code returns have a good tech. diagnose and estimate repair. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info
P1780 Trans Control Switch Cancel Out of Self Test Range
https://answers.yahoo.com/question/index?qid=20070720121948AATjvTw
http://www.aboutautomobile.com/DTC/P1780

May 07, 2016 | Cars & Trucks

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2003 saturn L300 p1780


DTC P1780 (3.0L (L81))

To improve shift feel, the transmission control module (TCM) may request that the engine control module (ECM) reduce engine torque during shift events. When such a request is received, the ECM responds by retarding the base ignition timing and notifying the TCM that the request has succeeded. If the ECM is unable to comply with the request, the ECM sends the TCM a message that the request has failed.
The torque reduction request is sent to the ECM through a communication network called the controller area network (CAN). Two circuits are used to communicate CAN data between the ECM and TCM. A fault in the CAN will not cause DTC P1780 to set by itself. If a CAN fault occurs, other DTCs will set before DTC P1780.
When the TCM receives a torque reduction failure message from the ECM, then DTC P1780 will set. DTC P1780 is a type C DTC. Take your pick of which you think this code is for , this or the TSB - technical service bulletin. What need to hook up scan tool an data PID'S - Do you know what PID'S are ? sensor data read on a scan tool .

Mar 04, 2016 | 2003 Saturn L-Series

1 Answer

Error code p1780 shifting weird


First of all ... whats a p1780, some kind of transmission I assume.
Then the old addage comes to mind " I assume" ... that makes an a** out of U and Me.
??? Ford Truck???

Mar 16, 2015 | Cars & Trucks

1 Answer

P1780 transmisson control code. will this cause a vehical to be ******* fuel


we need the vehicle make ,year and engine size to verify exactly what the codes refer to
Add the extra codes as some codes cross reference and give a common fault

Feb 10, 2015 | 2007 Ford Edge SEL Plus

1 Answer

P1780


P1780 Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit

Mar 23, 2014 | 2003 Saturn VUE

1 Answer

AFTER REPLACING SWITCH AND COMPUTER ON A 1999 TOYOTA TACOMA P1780 CDE STILL COME BACK


The codes need to reset with a diagnostic plug in device that may only be located at a dealers service center.

Mar 17, 2014 | 1999 Toyota Tacoma PreRunner

1 Answer

Trouble codes p1780


p1780 FORD Code
Transmission Control Switch circuit is out of Self-Test Range
If it is a different vehicle go to google and type OBD2 codes and pick your manufacturer then pick vehicle or just scroll the p codes

Sep 17, 2013 | Cars & Trucks

2 Answers

I HAVE A TOYOTA COROLLA 2003,CHECK ENGINE LIGHT, CODE P1780,HOW CAN I FIX IT


P1780 Is the indication that the neutral safety switch has failed. It is mounted on the side of the transmission where the linkage is attached. replacement is the normal fix. This part is a bit pricey and you might get lucky looking in a salvage yard for a used one.

May 26, 2011 | 2003 Toyota Corolla

1 Answer

Dtc p1780 is there an easy fix?


CODE P1780 - TRANSMISSION CONTROL SWITCH OUT OF SELF TEST RANGE.POSSIBLE CAUSES TO PROBLEM, TCS CIRCUIT OPEN OR SHORTED IN THE WIRING HARNESS, TCS NOT CYCLED DURING SELF TEST, TCS IS DAMAGED OR THE PCM HAS FAILED.

Mar 02, 2011 | 1999 Ford Explorer

2 Answers

P1780 DTC and can this cause transmission problems?


Yes the P1780 DTC is the Transmission Control Switch Circuit is out of self test range.

Jan 20, 2011 | 2002 Ford Explorer

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