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2003 XC70 U0073 code

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R

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2003VXC70
Posts: 1
Joined: 2 November 2015
Year and Model: XC70/2003
Location: Illinois

2003 XC70 U0073 code

Post by 2003VXC70 »

Hi, Im newbie here. I need help on fixing or anyone had the same problem with the code. The code said about control module or TCM (transmission control module). Thanks in advance.

MarcM
Posts: 183
Joined: 23 September 2015
Year and Model: 2005 S60 2.5T AWD
Location: Monadnock Region, New Hampshire
Has thanked: 1 time
Been thanked: 3 times

Post by MarcM »

Jumping around, quickly found a common thread:
https://www.matthewsvolvosite.com/forums ... =9&t=63277

Couple others:
http://forums.swedespeed.com/showthread ... -not-start

From what I can find... the TCU is having an issue. Check connections... I've fixed a lot of issues just unplugging/plugging connectors that have oxidized.

Another site (for heavy Chevy's):
- Faulty CAN communication system
- CAN System harness is open or shorted
- CAN System circuit poor electrical connection
2005 S60 2.5T AWD
IPD mods:
IPD HD PVC intercooler coupler/upper, HD Subframe poly inserts
ProPartsSweden HD top mount square mount, PPS lower torque rod & control arms.

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