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Home > Technical > Can't clear crash mode? |
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I Like Chips Member Since: 25 Jun 2017 Location: Ascott Under Wychwood Posts: 1529 |
Replace the battery with a good fully charged one. Run a fault code reader. Do all alternator tests particularly AC ripple. |
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21st Apr 2023 6:00 am |
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Santas_satan Member Since: 05 Apr 2023 Location: Seattle Posts: 43 |
Battery is a known fully charged one that's good. Since it's in crash mode I dont get the crank to test the alternator voltage.
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21st Apr 2023 6:07 am |
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Santas_satan Member Since: 05 Apr 2023 Location: Seattle Posts: 43 |
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21st Apr 2023 6:22 am |
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I Like Chips Member Since: 25 Jun 2017 Location: Ascott Under Wychwood Posts: 1529 |
I assume the battery voltage is actually normal when read with a multimeter. Have you a different code reader to try out |
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21st Apr 2023 6:44 am |
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I Like Chips Member Since: 25 Jun 2017 Location: Ascott Under Wychwood Posts: 1529 |
Could you add the vehicle details to your profile please |
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21st Apr 2023 6:45 am |
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Nodge68 Member Since: 15 Jul 2020 Location: Newquay Posts: 2071 |
Crash status has likely been set because the battery voltage dropped below 8.5V while the ignition was on. I had the same issue on mine when I first got it.
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21st Apr 2023 6:46 am |
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Santas_satan Member Since: 05 Apr 2023 Location: Seattle Posts: 43 |
Tried with an Autel Ap200 .. it can read the same error messages as I get in the SDD tool but obviously crash mode reset is only possible through the SDD tool. I am just not sure why SDD isn't clearing crash mode as I have walked through the procedure 3 times. |
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21st Apr 2023 6:56 am |
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Santas_satan Member Since: 05 Apr 2023 Location: Seattle Posts: 43 |
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22nd Apr 2023 2:25 am |
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I Like Chips Member Since: 25 Jun 2017 Location: Ascott Under Wychwood Posts: 1529 |
Looks like resetting the crash mode is the least of your worries. Is there anywhere near you that can check/reset/rebuild the ecu. As a basic start. I assume you have gone over the wiring |
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22nd Apr 2023 3:40 am |
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MotionInc Member Since: 17 Jun 2019 Location: North America Posts: 1343 |
I was able to reset my crash codes with SDD when I bought my vehicle used. My codes were likely due to a dead battery. It would appear your codes are related to an actual crash and the ECU might be the issue as mentioned. Might need a new ECU programmed. |
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22nd Apr 2023 12:13 pm |
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Santas_satan Member Since: 05 Apr 2023 Location: Seattle Posts: 43 |
Wiring actually does not look bad at all. I cleaned the connectors on the main bcu junction box as a start. I am approaching this as a challenge though.
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24th Apr 2023 11:42 pm |
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Santas_satan Member Since: 05 Apr 2023 Location: Seattle Posts: 43 |
Left the car alone for a few days and tried a few things today. Got a few additional modules back in green that were not before. Still not getting the abs/atcm/rcm to respond but I am wondering why the tcm is listed as not present. I want to check the connector of it and see if it is corroded/dirty since there is some oil there. What is the easiest way to get to it?
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26th Apr 2023 6:59 am |
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I Like Chips Member Since: 25 Jun 2017 Location: Ascott Under Wychwood Posts: 1529 |
The TCM sits on top of the auto box, you can easily see the cable and connector at least on the diesel version. If you have checked out the circuits, connectors for anything loose or corroded and I would go back to basics myself starting by having the ecu checked out. Is it possible to remove some of the module connectors to pull them out of the equation. |
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26th Apr 2023 7:49 am |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3107 |
You need to test the CAN BUS physical layer, see Alex's note in this thread
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26th Apr 2023 8:58 am |
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