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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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ABS & STC FaultViews : 946 Replies : 7Users Viewing This Thread : |
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Feb 12th, 2018, 14:23 | #1 |
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ABS & STC Fault
getting a message ABS FAIL STOP CAR ASAP and dash lights up like blackpool,
also message STC fault on vida getting ABS-0092 Control module communication ABS-0093 Control module communication ABS-0095 Control module communication CEM-1A5F Communication with ABS control module signal missing ECM-A02B Communication, control module for ABS faulty signal these will reset and will stay off for a while then randomly come back, sometime everything sometimes only the STC fault message. any idea's where to start looking? many thanks in advance
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S80 2.4 170bhp Auto (2000) |
Feb 12th, 2018, 22:02 | #2 |
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Using VIDA establish, or fail to establish comms with the modules. If it cannot talk to the ABS module in any way, then you have either a catastrophic failure of the wiring (rare) or a power failure of the ABS module. The latter is my guess, but its only a guess.
I had a similar problem, and I cut the module open with a dremmal and then touched up all the solder joints with an iron. That worked for two years and then I had to change the brushes in the pump motor; two different ways of doing the same thing which was getting an increased potential difference across the pump windings. |
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Feb 13th, 2018, 00:33 | #3 |
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I have read somethings along those lines,
ordered a E5 socket and will give that a go, nothing to loose, also it being quite random it does sound like a poor joint
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S80 2.4 170bhp Auto (2000) |
Feb 15th, 2018, 13:47 | #4 |
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little update on this.
got the E5 socket today, removed and cut open the ABS control unit, and yes found quite a few cracked soldered joints. clean and re-soldered those joints and sealed with hot glue. refitted unit, cleared all DTC's with Vida. not taken for a test drive yet, will be doing later hopefully being able to report back all clear
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S80 2.4 170bhp Auto (2000) |
Feb 15th, 2018, 22:00 | #5 |
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right been out for a drive this evening,
got STC to engage got ABS to engage yet still no warning coming up so its a success
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S80 2.4 170bhp Auto (2000) |
Feb 15th, 2018, 22:36 | #6 |
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Happy daze....
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Feb 18th, 2018, 17:57 | #7 |
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found pin 11 solder joint cracked,
pin 11 is one of the CAN BUS connections, no wonder it was loosing comms
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S80 2.4 170bhp Auto (2000) |
Feb 19th, 2018, 18:14 | #8 |
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just a note of interest
there are quite a few videos on Utube about this issue, all of them seem to fail in curing the fault. yet mine worked, so don't believe everything you see
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S80 2.4 170bhp Auto (2000) |
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