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2001 s60 intermittent crank no start ECM-2400 [Bad wire ECM to CEM] Topic is solved

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goldmandan
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Re: 2001 s60 intermittent crank no start ECM-2400, bad wire ECM to CEM

Post by goldmandan »

I did buy a new fuel pump relay but have not checked the cicuit or replaced it yet
goldmandan
Posts: 244
Joined: Wed Jun 05, 2013 8:27 pm
Year and Model: 1999 S 70, 2000 V70
Location: Florida
Been thanked: 1 time

Re: 2001 s60 intermittent crank no start

Post by goldmandan »

OK, there is a solution to this madness!!!!! There was a loose cable at the ECM!! Now with it back in place the car starts every time!!! What a crazy thing but the code ECM2400 said to check wire from ECM to CEM. When doing this i found a loose wire!
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abscate
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Re: 2001 s60 intermittent crank no start

Post by abscate »

Volvo Horns to Rick back in April!!
Are the other codes all ECM-XXXX?

Check the wiring to the fuel pump relay.

ECM-2400 Fuel pump (FP) relay. Signal too high or too low. Permanent fault

Possible source
Signal too high:
short-circuit to supply voltage in the signal cable
Signal too low:
short-circuit to ground in the signal cable
open-circuit in the signal cable
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
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abscate
MVS Moderator
Posts: 22970
Joined: Sun Feb 17, 2013 5:54 pm
Year and Model: 99T5 ,99S70,2005V70
Location: NYC, ALBANY NY
Has thanked: 397 times
Been thanked: 1235 times

Re: 2001 s60 intermittent crank no start ECM-2400 [Bad wire ECM to CEM]

Post by abscate »

Added code and solution to title for search
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
Link to Maintenance record thread
Link To Volvo Glossary
goldmandan
Posts: 244
Joined: Wed Jun 05, 2013 8:27 pm
Year and Model: 1999 S 70, 2000 V70
Location: Florida
Been thanked: 1 time

Re: 2001 s60 intermittent crank no start ECM-2400 [Bad wire ECM to CEM]

Post by goldmandan »

Very good! There was a lot of other intermittent stupidity going on also so I figured it was because the car had been sitting here in the FL heat/moisture. Removed ECM, sprayed contact cleaner and waited a few mins for it to dry and then assembled again. CAr runs like new now again!
goldmandan
Posts: 244
Joined: Wed Jun 05, 2013 8:27 pm
Year and Model: 1999 S 70, 2000 V70
Location: Florida
Been thanked: 1 time

Re: 2001 s60 intermittent crank no start ECM-2400 [Bad wire ECM to CEM]

Post by goldmandan »

back to the same problem......... i want to know which modules are "married" with the VIN? I know the CEM and ECM. I have a 2003 S60 also which runs and starts up all the time..... would like to swap ECM and CEM from that one into the 2001 and see if it will stop the problem. If so I can send the CEM to be rebuilt and be done with this mystery nightmare!
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