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

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive "P2" platform cars.

2001 - 2007 V70
2004 - 2007 V70 R
2001 - 2007 XC-70
2001 - 2009 S60
2003 - 2007 S60 R

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

Post by goldmandan » Wed Apr 10, 2019 8:54 am

]Strtolower(Ok
picked up a nice 2001 s60 turbo with only 90k miles on it for my wife. I put a new battery as the old one wouldn't hold a charge. AFTER THE NEW BATTERY WAS INSTALLED IT WOULD CRANK AND CRANK UNTIL I LIGHTLY PUSHED ON THE GAS AND GOT IT STARTED. NOW IT STARTS EVERY TIME...... A CODE FOR SHORTED FUEL PUMP RELAY CAME UP. IS THIS USUAL IF YOU HAVE HAD A FAULTY WEAK BATTERY AND TRIED STARTING THE CAR. MAYBE SOME TYPE OF RECALIBRATION GOING ON WHEN YOU PUT A NEW BATTERY IN? I CHANGED THE OIL BECAUSE THE OLD OIL SMELLED OF GAS (PROBABLY PO CRANKED MANY TIMES WITHOUT ENGINE STARTING) AND CHANGED THE PLUGS WHICH WERE HEAVILY BLACKENED BY SOOT. AS IF IT WAS RUNNING RICH.

WHAT COULD CAUSE THIS INTERMITTENT CRANK NO START??
DAN)



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RickHaleParker
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Re: 2001 s60 intermittent crank no start

Post by RickHaleParker » Wed Apr 10, 2019 9:34 am

Clear the codes and see if any come back. If some do, post the code.


Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

goldmandan
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Re: 2001 s60 intermittent crank no start

Post by goldmandan » Thu Apr 11, 2019 8:34 am

WILL DO!!



EngineeringBloke
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EngineeringBloke

Re: 2001 s60 intermittent crank no start

Post by EngineeringBloke » Thu Apr 11, 2019 9:55 am

Please do not use all caps. It makes your posts hard to read and is against the web site standards.

viewtopic.php?f=1&t=44724

Thanks and good luck clearing the codes.



goldmandan
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Re: 2001 s60 intermittent crank no start

Post by goldmandan » Sun Apr 14, 2019 11:33 am

Ok so the Check Engine light came back on

The codes are as follows:

2400 Permanent fault fuel pump relay signal too low
4308 Permanent fault leak diagnostic major leak
4801 Intermittent fault three way catalytic converter efficiency bank 1

I also notice that my a/c blower fan sometimes comes on, even if the car is shut off with the key out of the ignition.
The fuel pump relay is located in the CEM if I remember...... also the "driver door ajar" message comes on sometimes even if the door is closed properly. I am starting to suspect CEM........... anything I can do to make sure it's the CEM? I know how to remove it..... what am I looking for?

Any help is greatly appreciated as I don't want my wife stuck when she drives it!

Also, I was changing out the right hand turn signal bulb yesterday so I had the ignition on with headlights and signal on so I could make sure I had a good working bulb for it........ after it was done i dindn't start the car again..... left it overnight. When I went to start it this morning, it was cranking without starting, had to push the gas pedal ever so lightly and finally it started.......... is it the brand new "advance Auto Parts" Silver battery is not sufficient for this car??? I have heard that you need to get a good quality battery for these S60's. I have never had problems with autozone/Advance batteries in my V70's 2005-2006s what gives??



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RickHaleParker
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Re: 2001 s60 intermittent crank no start

Post by RickHaleParker » Sun Apr 14, 2019 11:54 am

Them codes are not any format I recognize. All the formats I have ever seen are prepended with alpha characters. Example P2400, ECM-2400. What kind of code reader are you using?


Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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EngineeringBloke

Re: 2001 s60 intermittent crank no start

Post by EngineeringBloke » Sun Apr 14, 2019 12:10 pm

The catalytic converter efficiency is measured by checking that the rear O2 sensor is not providing the same signal as the front O2 sensor - ie the cat is burning any unburnt fuel in the exhaust and changing the O2 levels between the sensors.

If the rear O2 sensor has the same O2 levels as the front then there may be an issue with the sensors but it is more likely that the cat should be replaced. There may just be an exhaust leak.

- Have the exhaust system inspected.

Dumping fuel into the exhaust system is not good for the cat, but it may be ok.

- Which spark plugs did you install and what gap was set?

Fans will run after the key is out but not usually for more than a few minutes (10?).
- Is it hot in Florida now? Is the engine hot when this happens? Do you mean the engine fan or the fan that moves the air inside the cabin?



goldmandan
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Re: 2001 s60 intermittent crank no start

Post by goldmandan » Sun Apr 14, 2019 1:16 pm

Ok

All the codes had the ECM preceding the #. I am using an Autel Maxisys Pro scanner to pick up these codes.
OK on the O2 sensor, I am thinking there must have been raw fuel that dumped into the exhaust due to the crank no start situation before I bought the car. So that explains that, most likely. I can monitor live data on the O2 sensors if the code persists. As this is an Intermittent code I will monitor it. The ECM 2400 fuel pump relay signal low, supposedly the fuel pump relay was replaced less than 10k miles ago. I don't know if the repair shop that did it really knew where to find the relay as it's part of the CEM (?) and would be found under the dash under the driver cowl side. The large air leak I am wondering. Will have to pull out my smoke machine and see if I can find it. Upon first eyeball inspection I didn't find anything major loose (hose to air filter box, hose to throttlebody, turbo) I do know that the clips that hold the air filter box cover on are all broken but 1 so is that a possible cause of the air leak? I would think this is "pre MAP" so it is unmetered air as if the leak is "post MAP" towards the turbo etc it would throw a code.

As for the fan coming on, it is the inside cabin blower motor that comes on. This can be after being gone from the car 30-40 mins, it is just on. I think I read somewhere that this may be an issue with the CEM. YEs, it's already pretty hot in FL so if it is supposed to stay on a while to cool down the cabin, OK, but the battery thing worries me.... I bought a brand new Advance Auto battery "silver" could that be the cause of these problems?

DAn



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Re: 2001 s60 intermittent crank no start

Post by RickHaleParker » Sun Apr 14, 2019 1:33 pm

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


Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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RickHaleParker
Posts: 2859
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Re: 2001 s60 intermittent crank no start

Post by RickHaleParker » Sun Apr 14, 2019 1:40 pm

Ignore ECM-4801 until all other codes are fixed. There are lots of thing that will trip this code.

----------------------------------------------------------------------------------------------------------------------

ECM-4338 Fuel tank filler cap missing

Diagnostic trouble code (DTC) information

Condition
The EVAP canister shut-off valve is closed, this means that the fuel tank system is closed. Canister purge (CP) valve is pulsed, pressure in the fuel tank should drop rapidly. Diagnostic trouble code (DTC) ECM-4338 is stored if the pressure in the fuel tank does not drop rapidly enough. This diagnostic trouble code (DTC) is stored in the first operating cycle that the fault is discovered in, in order to warn the driver with a text message that the fuel tank filler cap might be loose or not installed. ECM-4308 Fuel tank system large leak is stored at the same time.

Substitute value
None

Possible source
Signal too low:
  • leaking fuel tank, filler pipe, fuel tank filler cap, EVAP canister, EVAP canister shut-off valve or lines between these components.
    blocked canister purge (CP) valve, EVAP canister, fuel tank pressure sensor or pipes between these components.
    sticking canister purge (CP) valve
Faulty signal:
  • blocked canister purge (CP) valve, EVAP canister, fuel tank pressure sensor or pipes between these components
    sticking canister purge (CP) valve
    faulty fuel tank pressure sensor


Fault symptoms
none

----------------------------------------------------------------------------------------------------------------------------------------------------------


Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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