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Numerous codes on 2003 XC70--new ECM??

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Old 10-30-2018, 07:47 PM
kgardner54's Avatar
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Default Numerous codes on 2003 XC70--new ECM??

ECM-928C, EOOO, 510F, 9400, 4050, 400C
SRS-0004, E003
Display reports brake failure, others
Add'l diagnostics fail w/ message "Fault in communication with ECU."
Suggestions?
 
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Old 11-01-2018, 06:01 PM
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the speed sensors connect to the ABS and Tranmission computer and to the ECU. I'd look into the symptoms of a failed ABS controller board. Not sure about your model year but its a common fault area for 2000 vintage Volvos where the solder joints in the ABS board crack and cause errors and codes.
Google Midwest ABS and RochaTek for details.
 
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Old 11-01-2018, 06:30 PM
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Thanks! I'll look into this.
 
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