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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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ECM/BCM Fault CodesViews : 6517 Replies : 11Users Viewing This Thread : |
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Aug 28th, 2018, 19:50 | #1 |
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ECM/BCM Fault Codes
Our 2009 1.6D is showing a few fault codes scanned with VIDA:
BCM-0101 Communication between control units Communicational problems with ECM ECM-6720 EGR control - Flow too high ECM-3000 Camshaft position (CMP) sensor - Faulty signal ECM-4477 EGR control - Flow too low ECM-4490 EGR valve - Signal too high The history: The car ran with a lumpy idle and occasional power hesitation and displayed a code stating that the EGR was jammed. As a result I replaced the EGR valvle with a Haas par from Eurocarparts. I cleared the code, reset the EGR in VIDA and all seemed well for about a week. Following that the problems re-emerged coupled with "Anti-skid service required" message on the dash. The anti-skid message appears and disappears randomly but mainly when its wet. The codes above reappear if cleared after some time. I have also put the car on new suspension all round since these problems started as the service revealed 2 broken coil springs. At 9yrs old and hoping the car will last us another 2yrs I replaced all shocks, top mounts and raised the ride height using standard Sachs springs (heavy duty at the rear) instead of the DRIVe spec lowered springs. I have no idea of that's contributed to any of these errors but would hope not. What next? Well there's the question. Part of me wonders if I should write the Haas EGR valve off as a bad idea and replace with a genuine Volvo part. Pricey at £214. I'm a little worried that it might not be the culprit and that I end up throwing good money after bad. Any thoughts?
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Present: 2009 Volvo V50 1.6D DRIVe SE Past: 2004 Volvo S40 T5 SE |
Aug 30th, 2018, 09:52 | #2 |
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Anyone? Failing some insight it's off to either Volvo or Webuyanycar. I'm at the tipping point with this one.
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Present: 2009 Volvo V50 1.6D DRIVe SE Past: 2004 Volvo S40 T5 SE |
Aug 31st, 2018, 08:21 | #3 |
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Did you disturb any of the wiring to the ABS sensors while refurbing your suspension? If the signal or one of the sensors are dirty that read one of the ABS rings this could cause the Anti Skid issue.
TT
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Aug 31st, 2018, 12:10 | #4 | |
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Quote:
I took the ECM out last night and cleaned all contacts with contact cleaner, refitted and all codes cleared and I'll see what reappears before taking any further action. I'd quite like to get rid of the car but my wife loves it so it looks like it's staying for the time being.
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Present: 2009 Volvo V50 1.6D DRIVe SE Past: 2004 Volvo S40 T5 SE |
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Sep 7th, 2018, 11:39 | #5 |
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So after no viable alternative being obvious I replaced the 6 month old Haas EGR valve from Eurocarparts with a Genuine Volvo one.
All looks good so far. The car is way up on power with no hesitation between 1-2000rpm and a few test runs later there are no logged faults when scanned with VIDA. Fingers crossed the problem is solved but my wallet is now and additional £250 lighter.
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Present: 2009 Volvo V50 1.6D DRIVe SE Past: 2004 Volvo S40 T5 SE |
Sep 7th, 2018, 12:42 | #6 | |
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