Question about 1995 Honda Accord

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I have PO500 speed sensor malfunction and a P1791 manufacturer control transmission rec faults. Symtoms: Engine light on, D blinks once in a while and Speedometer works sometimes.

I have PO500 speed sensor malfunction and a P1791 manufacturer control transmission rec faults. Symtoms: Engine light on, D blinks once in a while and Speedometer works sometimes.

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  • Anonymous Apr 30, 2009

    The speedometer on my 1995 Honda Accord EX works sometimes and sometimes not. This started at about 180,000 miles and has been doing this for almost a year now. When not working, it stays at, or near 20mph. I think perhaps there's water in the spped sensor but can't say for sure, perhaps a broken speedometer cable? The engine light was on but hasn't been for a while, maybe it burnt out but I can't say for sure.

  • Anonymous May 09, 2009

    my 1995 honda accord speedometer is stuck at 19 miles an hour. goes up and down at rolling speed but never over 20  UNLESS i get lucky on the highway and i am going over 60mph   then it might kick in for like 3 to 5 minutes then quit again.  I have approv 180 miles  but am not sure because the odometer does not work UNLESS the speedodomer decides to work....ALSO my windows and sunroof work when they want to...if i cut the engine off and try after driving a short distance  it MIGHT come back on...


    if you can help me because you know hondas or had ths same problem...please email me at gfoushee@gmail.com


    thanks in advance

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The Speedometer head is faulty, replace speedometer head or whole gauge cluster.

Posted on Mar 25, 2010

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1 Answer

P0501 code?


P0501 - Vehicle Speed Sensor (G22): Implausible Signal Possible Causes
  • Wiring/Connectors from/to Vehicle Speed Sensor (G22) faulty
  • Wiring/Connectors from Transmission Control Module (J217) to Engine Control Module faulty
  • Vehicle Speed Sensor (G22) faulty
  • Malfunctioning Left Front wheel speed sensor (in vehicles that don't use a physical G22 sensor)
Possible Solutions
  • Check Wiring/Connectors from/to Vehicle Speed Sensor (G22)
  • Check Wiring/Connectors from Transmission Control Module (J217) to Engine Control Module
  • Check Vehicle Speed Sensor (G22)
  • Check ABS Brakes for faults and diagnose malfunctioning Left Front wheel speed sensor if applicable

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Mar 10, 2016 | 1996 Audi A4

1 Answer

My engine light is on, my speedometer sometimes works and sometimes doesn't register, some times it bounces back and forth.


code p 500 refers to vehicle speed sensor (VSS) --circuit malfunction====causes ---wiring---VSS sensor---ECM
the engine light reports serious faults with both the engine and the transmission
I would go to an accredited auto transmission shop and have the VSS replaced or checked
The VSS drives the speedo, cruise control,gear changes ( reports to the transmission control module (TCM)

Aug 30, 2015 | 2004 Kia Sedona

1 Answer

What is code p1791?


The code P1791 is referring to the electrical system on the vehicle. P1791-(Electrical) Circuit Malfunction. It means that you have a problem within the electrical circuit on that particular system. With Honda and many other vehicles it Usually Points Toward the (Vehicle Speed Sensor Range OR Performance Problem. You'll need to check the wiring for shorts or grounding out somewhere on the engine or frame. You'll also need to check the connector itself for broken wires or pin-push-outs. This problem could be the "Vehicle Speed Sensor" OR problems within the transmission itself. Hope this helps. Have an awesome day!

Jul 02, 2014 | 2000 Jeep Grand Cherokee

1 Answer

Po500


Maybe.
Code 500 is for a problem with the speed sensor or the circuit. But it could also be something mechanical inside the transmission. The signal the engine computer is getting from the sensor is out of normal range for the condition.

Jan 23, 2014 | 2000 Toyota Celica

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I went to scan my toyota yaris car and the following codes were give ; temperature ckt low input po117


EOBD II Error Code: P0117
Fault Location:
Engine Coolant Temperature (ECT) Sensor (G62) - Low Input
Possible Cause:
Malfunction Indicator Lamp (MIL) Triggered on first occurrence.
Coolant thermostat.
Wiring short to earth.
Engine coolant temperature (ECT) sensor.

EOBD II Error Code: P0340
Fault Location:
Camshaft Position (CMP) Sensor A (G40), Bank 1 - Circuit Malfunction
Possible Cause:
Malfunction Indicator Lamp (MIL) active.
Wiring from/to Camshaft Position Sensor (CMP) faulty.
Camshaft position (CMP) sensor faulty.
Timing misaligned.
Possible Solutions:
Check Wiring from/to Camshaft Position Sensor.
Check Camshaft Position Sensor.
Check Timing.

EOBD II Error Code: P0500
Fault Location:
Vehicle Speed Sensor (VSS) - Circuit Malfunction
Possible Cause:
Malfunction Indicator Lamp (MIL) Non Emission Fault - No warning light.
Wiring.
Vehicle speed sensor (VSS).
Engine control module (ECM).

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1 Answer

P1646 how much to repair


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1 Answer

I have 3 codes 1) P0500 2) P0125 3) P1135 1999 Lexus RX300


The PO125 is an indication of an engine running too cold-as if the thermostat were stuck open.For some reason it often sets with the PO1135 even when the engine runs at normal temp.A scan tool will indicate exactly how hot the engine is,don't trust the dash gauge. The PO1135 is a heater circuit fault in the bank1 sensor1 air fuel ratio sensor or oxygen sensor. Bank 1 is the REAR bank on this car...that O2 sensor is not much fun.PO500 is a vehicle speed sensor fault-does the speedo work correctly?it is located in the transmission near the back of the case. once again the scan tool will read vehicle speed and can aid in further diagnosis.

Mar 30, 2010 | 1999 Lexus ES 300

1 Answer

Codepo500&p1764


po500 is vehicle speed sensor,-this means that the speed sensor is bad or you have a wiring problem in the sensor curcuit. p1764 means that the sensor could be bad on transmission, it is manufacturer control transmission, fix the speed sensor and then maybe the light will go out for transmission sensor. best of luck carl,

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Codes for 1995 Mitsubishi eclipse


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