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I have code p1781 in my intrepid 1996 what that means?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: what does code 55 means for a dodge intrepid 1996

CODE 55 IS DRB DISPLAY WILL BE BLANK.COMPLETION OF TROUBLE CODES DISPLAY BY MALFUNCTION INDICATOR CHECK ENGINE LIGHT.

Posted on Oct 22, 2009

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  • 3640 Answers

SOURCE: what does these codes mean P1781, P0731, P1784 AND

p1781 is manufacturer control transmission, p0731 is gear 1 ratio incorrect, p1784 is manufacturer control transmission, p0700 is trans, control system malfunction. all of these codes refer to tranny.This code normally points to a faulty transmission control module, but this is an expensive part and you should have an experienced Dodge technician diagnose the problem first. or a transmission specialist. the other codes are probably associated with the p0700 code. have a good day !

Posted on Apr 27, 2011

Testimonial: "I have a better understanding and where my issues are coming from.Basically all dealing w my transmission. And I want to say thank you."

ginko
  • 19396 Answers

SOURCE: WHAT DOES THESE OBD CODES

Hi.

All the codes mean that there is a problem with the automatic transmission. I will start from the more general codes.

P0700 : this is the most generic code. It is telling you that an additional trouble code is stored in the automatic transmission dedicated electronic module, called TCM. The TCM can be scanned at any authorized garage using a Tech 2 diagnostic tool.

POSSIBLE CAUSES:

Any automatic transmission malfunction.

P0731 : Wrong gear ratio in first.
The Transmission Gear Ratio is monitored continuously while the Transmission is in gear. If the ratio of the input RPM to the output RPM does not match the current Gear Ratio you get this code.

Low transmission fluid.
Automatic transmission malfunction.

P1781-OD PRESSURE SWITCH SENSE CIRCUIT
One of the Pressure Switches in transmission is closed at the wrong time in a given gear.

POSSIBLE CAUSES:

TRANSMISSION RELAY DTCS PRESENT
INTERMITTENT WIRING AND CONNECTORS
TRANSMISSION RELAY OUTPUT CIRCUIT OPEN
O/D PRESSURE SWITCH SENSE CIRCUIT OPEN
O/D PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
O/D PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
O/D PRESSURE SWITCH INOPERATIVE
TCM - O/D PRESSURE SWITCH

P1784-LR PRESSURE SWITCH SENSE CIRCUIT.

Possible causes: see P1781.

P1781 and P1784 are the most revelatory codes, they say that there is a problem with transmission fluid circulation. Replace transmission fluid. Low fluid level can be the cause of many Transmission problems. If the fluid level is low locate and repair the leak then check and adjust the fluid level per Service Information.
If replacing fluid does not help, have the TCM codes scanned, and test the transmission relay.
Here procedure for the relay testing:

Turn the ignition off to the lock position.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector
Remove the Transmission Control Relay from the IPM.
Note: Check connectors - Clean/repair as necessary.
Connect a jumper wire between the Transmission Control Relay Output circuit and
the Fused B+ circuit in the IPM.
Using a 12-volt test light connected to ground, check the Transmission Control Relay
Output circuit in the Solenoid/Pressure Switch Assembly harness connector.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?
Yes ? Go To 7
No ? Repair the Transmission Control Relay Output circuit for an open
or high resistance. If the fuse is open make sure to check for a
short to ground.
7) Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the L/R Pressure Switch Sense circuit from the TCM
harness connector to the Transmission Solenoid/Pressure Switch Assembly harness
connector.
Is the resistance above 5.0 ohms?

Yes ? Repair the L/R Pressure Switch Sense circuit for an open.
Perform 41TE TRANSMISSION VERIFICATION TEST

Posted on Apr 27, 2011

ZJLimited
  • 17970 Answers

SOURCE: Check engine light is on. Codes are p1781, p0113

DTC P0113 - Intake Air Temperature Sensor High Voltage
To diag this code you will need a volt/ohm meter. Need to check for 5 volt reference in to sensor from PCM, and ground side of sensor to PCM. Also, check carefully the wires at the sensor. The wires may be broken inside the insulation, right at the connector of the sensor. Pull on each wire slightly and see if it starts stretch. If it does, then the wire is broke inside the insulation, and will need to be repaired.


DTC P0700 - EATX ControllerIs
Is a generic transmission control code. This code lets you know that a specific failure code is stored in the TCM (Transmission Control Module) and needs to be retreived with a diagnostic scanner with TCM reading capabilities. It may or may not be related to the ROM failure in the ECM (Engine Control Module).


DTC P1781 - Engine Torque Signal Circuit
This code is set during engine start up when the ECM and TCM do not communicate properly during initial power up. It will only illuminate the service light if the condition occurs in 2 consecutive start cycles, but the DTC will be stored in the failure records after the first cycle.


Hope this helps.

Posted on Sep 30, 2011

bcharais
  • 278 Answers

SOURCE: 2000 intrepid, 42LE electronic 4-speed autotransaxle. O/D preasure switch circuit malfunction, Code: p1781; p0760; p0755

did you also find out that P0755 & 760 were shift solenoids B & C respectively? probably looking at replacing those. Chiltons are no help when it comes to trans work. Had a '99 LH car with a 3.2L also. Maybe look for a Service manual online, you know the ones for dealers.

Posted on Oct 29, 2012

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How to fix po1781 code on a 2001 dodge intrepid?


You will need automotive electrical experience to trouble shoot.
Hope this helps.

P1781 O/D Pressure Switch Sense Circuit Malfunction - With Automatic Transmission Possible Causes Setting Conditions • O/D pressure switch connector is damaged (check pins for damage, moisture) • O/D pressure switch is open, shorted to ground or shorted to voltage • O/D pressure switch has failed • TCM connector is damaged (check pins for damage, and for moisture) • Transmission relay connector is damaged (check pins for damage, moisture) • Transmission relay output circuit is open

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What does these codes mean P1781, P0731, P1784 AND P0700 AND HOW DO I FIX THEM.


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DO U UNDERSTAND THE MEANING OF "OUT OF PHASE"?? IT IS THE MECHANICAL TIMING OF THE SIGNAL FROM EACH SENSOR TO THE ENGINE CONTROL COMPUTER, WHAT IS THE CODE? ALSO TELL YOUR DAD (NICELY) THAT ATROUBLE CODE DOES NOT ALWAYS MEANS A FAILED SENSOR, ONLY A PROBLEM WITH THE SIGNAL, THAT CAN BE THE WIRING, IT CAN BE MECHANICAL OR IT CAN BE THE SENSOR, MANY POEPLE DON'T GET THAT AND SPEND TON'S OF MONEY CHASING CODES.I HAVE DONE THIS FOR 35 YEARS AND AM SURE OF WHAT I AM SAYING 100%

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