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How do you fix trouble code for 2001 volvo v70 xc control module?

Vehicle just had a transmission service, but the trouble code was for the engine. the warning light has not come on yet.

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  • Cars & Trucks Master
  • 786 Answers

What was the code number? If the engine light didn't come on then it may have rectified itself and there really isn't a problem. Put the code reader on again and see if there is still a code in the memory.

Posted on Jan 16, 2013

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Posted on Jan 02, 2017

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ShadeTek
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SOURCE: srs light on

You will have to take it to a dealer.

Posted on Jan 14, 2009

  • 1071 Answers

SOURCE: 2000 volvo v70 xc Getting

if it is available the sensor can be replaced if not you will need a transmission

Posted on Aug 18, 2009

  • 1 Answer

SOURCE: 2001 Volvo V70-T5 fuel guage malfunction

I had a similar issue and started to notice other electrical failures along with the gas gauge. My rear doors would not lock and my rear wiper stopped working. I started pulling fuses and relays to see if this would reset, no go. But then I hit the jackjpot. In the rear electrical panel, below all the fuses and relays is a 2" x 2" black plastic square with a big screw in it.

Remove the screw and pull evenly on the black square. This seems to be a major electrical hub for the car. I reconnected and all 3 of my issues disappeared...I read somewhere that a fix might be to disconnect the battery for a few minutes, which I guess re-sets some relays and circuits, but I guess this did the same thing. Good luck.

Posted on Sep 30, 2009

  • 60 Answers

SOURCE: Just purchased a 2001 Volvo V70 XC wagon with auto

The reason it is suggested to take it to the dealer is that the tranmission fluid is a synthetic. There is no serviceable filter on your transmission. For a drain and fill (3.5 Quarts) the fluid itself is about 70 bucks. To flush it is around 350-400 depending on where you take it. You can use a Mobil equivelant fluid ATF 3309 that has the same specs. Biggest thing to watch out for is to make sure it is filled THROUGH THE DIPSTICK TUBE, no where else. The dipstick is kind of hard to see but its there, right behind the grill, to the left of the air box.

Posted on Nov 25, 2009

  • 84 Answers

SOURCE: 2001 Volvo V70 XC, this morning without warning,

e.t.m cleanout and upgrade needed

Posted on Mar 15, 2010

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2001 Volvo V70 jerking when accelerating up hill from stop


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The engine and automatic transmission in this vehicles drive train are fully electronically controlled by a computer called the PCM and TCM (Power Train Control Module, Transmission Control Module). When a problem like this or other drive-ability related problems occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant temperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM

Aug 30, 2012 | 2001 Volvo V70

1 Answer

Error code P0785 on Volvo V70 XC -00. What's the problem? I have also error code P1618.


P0785 - Shift/Timing Solenoid Malfunction (3-2 shift solenoid is not working properly)
P1618 - Diagnostic Trouble Code (DTC) in another control module (in this case, in the Trans Module)

Flush the transmission, get any software upgrades available, reset the adaptors and try it, nothing to lose.

If it doesn't work you will need a transmission. Solenoids are internal, that's what controls the shifts.
They could be faulty or the valve body but one should always do what I said once, if it doesn't fix it, you're looking at a transmission.

The resetting of adaptors is crucial if you update the software. It's basically wiping the memory of the TCU (transmission controller) and teaching it how to shift properly again.

Also could check this TSB...

The reason why I ask, is because anytime there are MULTIPLE transmission solenoid codes, its usually the result of a failed ignition switch. However, since only two codes appeared and were one at a time, I think at this point, its unlikely the result of an ignition switch failure.

P0785 is for the 3-2 downshift solenoid. Either the solenoid is faulty, or something got damaged while the 1-2 solenoid was being replaced. (connector knocked loose, wire rubbing on pan or valvebody, etc...).

The 3-2 solenoid is #394 in the picture below, which is at the opposite end of the 1-2 solenoid.

zjlimited_122.gif

P0785 is for the 3-2 solenoid and that is 394 in the picture. Is it likely to fix it? yes, but of course I cannot guarantee that it will, sitting behind my computer and never seeing the vehicle.

Hope this helps.

Jan 31, 2011 | 2000 Volvo V70

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I have a volvo v70 xc 2001 and i cant find the measure stick for the transmission oil


doe not have one you cant do it has to be done by a professional sorry no easy answer.

Nov 15, 2010 | 2001 Volvo V70

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My blower on my 1998 volvo v70 xc is not blowing


The most common problem is either the blower motor or the speed control resistor. Both items can be accessed by removing the glove box and panel below it.

Apr 06, 2010 | 2001 Volvo V70

1 Answer

There are 4 codes I need to know about P0810, P1132, P1618, and P1633, 2001 Volvo V-70 24T


810 neutral check, incorrect connection
  • Check the transmission and control module connectors. Check for contact resistance and oxidation according to Checking wiring and terminals. Permanent faults
  • 1132 front o2 sensor signal too high
    1618 dtc is in another module
    Volvo does not provide information regarding DTC P1633 for many of their models.
    However, it has been reported that various Volvo engine control modules will produce this code. The code is associated with a missing or inaccurate vehicle speed signal from the ABS control module and may be accompanied by DTC P0722 or P1618.

    Possible causes:
    - Defective vehicle speed signal to the ABS control module
    - CAN connection problem
    - Defective ABS control module
    - Defective engine control module

    Manufacture codes associated with this P code may include ECM-510f, 530d.

    Mar 28, 2010 | 1998 Volvo V70

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