03 V70 Fuel Sensor faulty signal after fuel pump replaced

rachmann · May 9th, 2015, 14:53

Hi all

I have a base 2003 V70 with engine B5244S R5 2.4L

I had the fuel pump replaced with an after market part.
After a while - a couple of weeks - my fuel gauge went dead - as did the reading for # of km left. The dash was replaced earlier, so I don't think the problem is there.

The codes found are :
EMC-4050 (P0461) faulty signal
EMC-2110 front heated ox sensor preheating low signal
EMC-2210 rear heated ox sensor preheating low signal
10 Central Elec Mod (CEM)

1A5A Communication with REM control module - Permanent Fault
01 Upper electronic Module UEM

amongst others.

Could this issue be rooted in the process of replacing the fuel pump, or is that just coincidence?

At the same time the fuel level gauge went dead, so did my rear wiper, rear door locks, rear central stop break light, all with codes to match:

9416, 8F25, 8F2C, 8F2E,

Sounds like a bigger issue, but any insight would be appreciated!

R

May 9th, 2015, 14:53	#1
rachmann New Member Last Online: May 14th, 2015 16:45 Join Date: Jun 2011 Location: Parkhill	03 V70 Fuel Sensor faulty signal after fuel pump replaced Hi all I have a base 2003 V70 with engine B5244S R5 2.4L I had the fuel pump replaced with an after market part. After a while - a couple of weeks - my fuel gauge went dead - as did the reading for # of km left. The dash was replaced earlier, so I don't think the problem is there. The codes found are : EMC-4050 (P0461) faulty signal EMC-2110 front heated ox sensor preheating low signal EMC-2210 rear heated ox sensor preheating low signal 10 Central Elec Mod (CEM) 1A5A Communication with REM control module - Permanent Fault 01 Upper electronic Module UEM amongst others. Could this issue be rooted in the process of replacing the fuel pump, or is that just coincidence? At the same time the fuel level gauge went dead, so did my rear wiper, rear door locks, rear central stop break light, all with codes to match: 9416, 8F25, 8F2C, 8F2E, Sounds like a bigger issue, but any insight would be appreciated! R Last edited by rachmann; May 9th, 2015 at 15:03.

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