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My car diagnosis error no 45-01 shift malfunction how to go through this

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Won't shift out of 1st gear and code reads PO777. Can you help me?


http://www.autocodes.com/p0777_volkswagen.html

It means one of the devices that control how the transmission operates has malfunctioned, which has lead to the car being stuck in 1st gear. It's probably best to bring it to a mechanic for further diagnosis.

Apr 01, 2016 | 2004 Volkswagen Jetta

1 Answer

Transmission wont shift automatically?


You need to have the transmission control module (TCM for short) tested for fault codes, this transmission is shifted by solenoids and they set fault codes when they malfunction in most cases. Other causes are sticking valve body check balls or internal pressure leaks in the hydraulics. Have a transmission repair shop drive it and see if they agree with me on this preliminary diagnosis. Aamco transmission repair does the fault code testing of the TCM for free,.

Nov 04, 2012 | 1993 Dodge Caravan

1 Answer

The transmission wont shift and reverse wont work. It also bucks and tries to die.


Check Engine Light? When a 'check engine light' (MIL=Malfunction Indicator Lamp) is turned on, there is a DTC (Diagnostic Trouble Code) set/stored in the ECM/PCM (Engine Control Module/Powertrain Control Module). This code identifies which engine management system component/function experienced a malfunction. Once you pull/read this code, you may begin diagnosis.

Sep 07, 2011 | Hyundai Accent Cars & Trucks

1 Answer

O/d light blinks when driveing o/d seems to be engaged car has 198000 miles and runs very good also engine light is on


O/D light blinks, but with that the check engine light is ON.--- This will make your troubleshooting easier.When the check engine light comes on, and remains on, this indicates that there is error stored in your cars computer.---- Once the computer is scanned, you will get error codes, as per that error code it will point towards faulty part, which is causing the O/D light to blink.-------- Most probably the O/D light blinks, If a problem exists in No. 1 or No. 2 solenoids or speed sensors .
--------------- For car after 1995 it requires OBD2 tool and for car before 1995 it requires OBD1 tool.------- --------- You car will require OBD1 tool.There are very few auto parts store and repair centers who have OBD1 tool.In your case you required OBD1 tool.------ You can just contact local auto-parts store and they will guide you to the nearest store who has OBD1 tool.There you can get your car scanned.If there is error set in your cars computer, then you will receive the error code.As per error code it will point towards the faulty part causing this problem in your car.------------- -------------- The codes which you get is scanning will be mostly any of this following codes:--- DTC P0500 - Vehicle Speed Sensor Malfunction
. DTC P0750 - Shift Solenoid "A" Malfunction
. DTC P0753 - Shift Solenoid "A" Electrical Malfunction
. DTC P0755 - Shift Solenoid "B" Malfunction
. DTC P0758 - Shift Solenoid "B" Electrical Malfunction
. DTC P0770 - Shift Solenoid "E" (SL) Malfunction
. DTC P0773 - Shift Solenoid "E" (SL) Electrical Malfunction
. DTC P1520 - Stop Light Switch Signal Malfunction
. DTC P1705 - Direct Clutch Speed Sensor Circuit Malfunction
. DTC P1765 - Shift Solenoid Valve SLN Circuit Malfunction
. DTC P1780 - Park/Neutral Position Switch Malfunction
--------------- Now it all depends on what code you get, as per that you can replace the following part.------- This will help.Thanks.Helpmech.

Jul 07, 2011 | 1995 Toyota Camry

1 Answer

I have a 2003 Ford Explorer the o/d light is blinking. I had diagnosis tested ran and came up with PO73 invorrect gear 3 ratio, PO745 Pressure control solenoid malfunction and PO745 Pressure control...


Error Code P0745
  • If the error code checker returns a P0745 code, it is indicative of a transmission issue. Error codes in the 700s refer to transmission problems. The P0745 error code refers specifically to a malfunctioning pressure control solenoid. This should be checked by a mechanic as soon as possible.


  • Read more: Ford 2002 Explorer Error Codes ' eHow.com http://www.ehow.com/list_7610006_ford-2002-explorer-error-codes.html#ixzz1FCgt5JQ6

    Feb 27, 2011 | 2003 Ford Explorer

    1 Answer

    Please,can you help me fix cods problems p0732,p0734 on my 2006 Mazda Tribute


    P0732 - Improper Ratio for Second Gear.
    P0734 - Improper Ratio for Fourth Gear.

    This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as follows:

    Torque converter slip ratio = A x C/B A: Output shaft revolution signal from revolution sensor B: Engine speed signal from ECM C: Gear ratio determined as gear position which TCM supposes

    If the actual gear position is higher than the position (2nd and 4th) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.

    This malfunction will be caused when shift solenoid valve B is stuck open.

    Gear positions supposed by TCM are as follows. In case of gear position with no malfunctions: 1 , 2, 3 and 4 positions In case of gear position with shift solenoid valve B stuck open: 4* , 3, 3 and 4 positions to each gear position above.

    Symptoms: Engine Light ON (or Service Engine Soon Warning Light)

    Diagnostic trouble code A/T 2ND GR FNCTN with CONSULT-II or P0732 without CONSULT-II is detected when A/T cannot be shifted to the 2nd gear position even if electrical circuit is good.

    Possible Causes:
    - Shift solenoid valve B
    - Each clutch
    - Hydraulic control circuit


    Check it and tell us news.

    Nov 23, 2010 | Mazda Tribute Cars & Trucks

    1 Answer

    My Jeep stays in 1 gear from the time i hit the gas, and revs at about 2850 rpms at 60 mph. I can manually shift from from second to Drive and it will shift, but that's the only way. I've never had the...


    If you have never had the trans serviced there could be gummy deposits causing a valve body malfunction. problem also can be related to a shift control problem that would need diagnosis by a trans shop with a ride along "flight recorder".

    Oct 28, 2009 | 1994 Jeep Grand Cherokee

    1 Answer

    Hello, I have a 1998 Dodge Durango (automatic), having problems accelerating around the 30 mph mark (not sure what gear this would be). If you baby it up you can pass this shift mark, but if you have your...


    there is a malfunction in the transmission somewhere. this is a problem you cannot fix in a basic garage because of the diagnosis tools needed for this trans. diagnosis. could be bad TV cable adjustment if not anything major. durango transmissions usually dont last past 100,000 miles.

    Mar 02, 2009 | 1998 Dodge Durango

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