UPDATE FIXED JAN 2025

Problem has been solved. I chased the issue for some time by myself, but it was really beyond my skillset. For someone that knows what they are doing-it took my mechanic who has worked on Mercedes for 14 years about 20 minutes. He used a multimeter and targeted the Brake Booster Sensor/Brake Booster Diaphram Position Sensor Part Number: 6500-08044460-info from Partsgeek.com (Chrysler Crossfire Service Manual calls the part "BAS Diaphram Travel Sensor"). He showed me that there was a possible voltage drop that seemed miniscule to me. I don't remember the #, but maybe it should have read 5 and it was 4.9. To me, that was close enough, but not in spec for him.

So the brake booster sensor came in to be replaced. (simple fix using a longer pick set) When he removed the brake booster sensor, it came out a littlle wet. Not knowing what I don't know, I would have just replaced it. He informed me that it should be DRY. So that meant that the master cylinder had leaked into the brake booster. So the brake master cylinder, brake booster and sensor had to be replaced. It has been fixed since January of 2025. The person who I purchased the car from, had a used/original brake booster from a parts car and mailed it to me saving me a hundreds of dollars. (Mercedes may sell a new brake booster for $800?)..




Vehicle: 2006 Chrysler Crossfire Limited Roadster, 29,900 miles. Vehicle was purchased out of South Carolina about August 2024. (I live in NC)
Last week, only the BAS/ESP was on and of this week the ABS appeared. .

Scan Tool 1: iCarsoft i980 with Mercedes software: scan Transmission TCM, Fault / 1, code P2314. State: Current and Historic [One or More Messages from Control Unit N73 [EIS] Control Unit. Are Not Available on the CAN BUS] Or [One of More Messages from Control Unit N93 (Central Gateway Control...), sorry I didn't get a pic of the last few words. The scanner is unable to read the ABS module

Scan Tool 2: [b]Topdon ArtiDiag 600S scanned as a Crossfire: it found code 2314 CAN communication electronic ignition switch distorted. And a few other codes: C8001, 3FFF-000-please refer to service manual. These codes are not part of the XF codes.

Scan Tool 3: Innova 6100p scanned as a Chrysler Crossfire: code P2314 Ignition Coil 5 Secondary Circuit-Insufficient Ionization. So I switched coil pack 4 and 5. The same code is still present. I did not change the plug wires or look at the spark plug. I also exchanged the refurbished RCM in 2023 by D.J. with the newer refurbished RCM 2024

I have tried to elimiinate the issue:
- Reset: the Left, Right, Center reset.-it hasn't worked yet with many attempts
- I aired the tires to 35 psi.
-Disconnect the negative battery terminal for 30 minutes. A DieHard battery was purchase around August and voltage is good. The vehicle is garage kept on a battery tender.
-The brake fluid is full, brake lights work, fin/spoiler goes up/down at it should, cruise control works, wheel speed sensors are equal from live data (the front is a little faster than the rear-size of tires).
- Previous owner performed a transmission tune, new Akebono brakes (squeak),new brake lines, rotors, belt, idler pulley, valve cover gaskets, rear differential fluid.
- Previous owner installed front rotors/calipers and pads that can be used on the SRT. (rear: everything is the base model)

The cars rides smooth, but I have not driven it more than about 15 minutes at time and only short distances in town because I don't want to get stranded.


From about August to today:
-I have upgraded to a 74mm Throttle boday and bigger MAF and used the old MAF sensor.
-Added a new car stereo head unit
-Fixed the "sticky key"
-Re-torqued the passenger side valve cover bolts to 7 ft, lbs (have not done the driver side yet_
-Changed oil filter and oil

I'm still reading the forums to try and find an answer. If you suggest a multimeter: I only know how to check battery voltage, and would need guidance to put a probe here and a probe there. Thanks again for any assistance.

 

Mikespine
Did you try the simple reset to your BAS/ESP light? Click on the link below and read the second response, if you haven't done this previously.
The 2nd link contains everything Crossfire!
Good luck,
Dennis
DTMenace


BAS/ESP light - CrossfireForum - The Chrysler Crossfire and SRT6 Resource


Index of Crossfire problems and repairs - CrossfireForum - The Chrysler Crossfire and SRT6 Resource

 

@DTMenace Yes, I have tried the reset a multitude of times and the lights all stayed on. Yes, I am still navigating and searching thru the Crossfire problems and repairs. Thank you- Michael

Something else I found out this morning regarding the BAS/ESP and ABS lights. When I turn the car on: ABS light comes on immediately with the BAS/ESP light coming on withing 10-25 seconds. I toggled the stability control button "on" illuminating the stability control light located in the middle of the cluster/dashboard. I then toggled the stability control button off, and the ABS light will turn off within a few seconds, but the BAS/ESP light remains on. I took the car for a ride and it rides fine.

So, I turned the car off and then turn the car back on, and all the lights come back on. ABS and BAS/ESP lights.

 

I can not find P2314 in the paper Crossfire 2008 Service Manual.

Did you allow the scanners to work through all the modules or did you just scan one or two particular modules?

Seeing that the car is running well I would scan all the modules, writing down all the codes active and stored then clear them all. Drive the car as usual for a couple days and then scan again to compare listed DTC.

P2314 on other Mopar sites indicates a spark plug/spark wire problem; on our cars I would think misfire, but you haven't indicated that with your scans. Scan all the modules and then clear all DTC and give it another try. GOOD LUCK

 

I have scanned all modules using the iCarsoft 980i and all modules "passed" with the exception of the Transmission TCM having 1 fault: P2314. I have tried to erase the code and the scanner said it's successful...but it's still there. (you are correct-it's not a Crossfire code).

Regarding the BAS/ESP lights: I'm going to put the original throttle body back on and remove the 74mm to see if the BAS/ESP lights go off. I wonder if the 74mm throttle body or my install could cause the BAS/ESP and ABS lights to come on. Can a throttle body be bench tested? I have no idea how to do it.

I did remove the spark plug wires and coil pack only on the passenger side when I re-torqued the valve cover bolts. The code coming from the Innova 6100p scanner did mention ignition coil 5 P2314. (I believe coil pack 5 is the middle one on the driver side.) So I switched the 4 and 5 coil- no change.

Thanks again for your response. I'm still reading and thinking about trying to solve this issue. The Crossfire is still running well and I have been assured I will not be stranded. I'm open for all input. Thanks.

 

Just a thought, are you sure the plug wire is seated all of the way on the spark plug? Also, when I did my plug wires, I broke 3 of the coil pack connectors and had to replace them. You might want to see if they are good.

 

I was thinking along the same lines, or there is some accumulated oil/dirt crude down in the spark plug connection area that is causing a small short to ground on the driver's side.

He also spoke of a TCM tune; May have something to do with that. Getting back to who did the tune and asking for info, or contacting the Mercedes Swap shop may help to figure out that P2314 code.

Seems like a good scan tool (DRB III or emulator) could figure out what is going on. Many of the OBD II scanners won't work on the Crossfire ABS system.

 

Can anyone please confirm/refute that the iCarsoft i980 can read and clear transmission codes? A TorquePro code reader shows a P0705 code, but I hope I'm right in thinking that the i980 (or a later V1/V2/V3 model?) would provide more specific MB codes that would indicate whether the problem is with the conductor plate/selector mechanism/fluid level/TCM/plug ?

Cheers, Pat

 

I use an iCarSoft scanner on my SRT6. What I did was I got a VIN # from a Mercedes SLK32AMG and input that into the iCarSoft so it would scan it as a Mercedes. As I have no codes, it does scan the transmission.

 

Thanks. What I'm trying to discover is what's the earliest version of the iCarsoft (i980/MB II/V1.0/V2.0/V3.0) that will scan/reset the transmission codes. That way, I know which ones are worth buying for that purpose.

 

I finally bought a scanner that can read the TCM codes (an iCarsoft as suggested above). It shows faults in several modules, not just the TCM, but I'm sticking with that one for now as it is the one making the car undriveable! The code is P2313. I know what that number means for an ECU on an OBDII reader, but not for the TCM.

Can anyone elucidate please?

 

It might help to know what issue you are dealing with?

 

P0705 is a Crossfire code that indicates there is a problem with the Can Bus between the SLA and the PTCM, or the TCU and the PTCM. You need to deal with this first. Check the Can bus at connector 4 at the PTCM Pin 1 (Can +) pin11 (Can-). Back probe the wires and you should get 60 ohms. If you disconnect the connector from the PTCM you should get 120 ohms on the PTCM and on the connector with the wires. READ THIS THREAD: HELP, RCM, SLA, TCU
If you skip this step you are digging a deeper hole.Do you have any DTC for the SLA?

What exactly are your symptoms? You jumped into the middle of this thread with out telling us what is wrong with your car.

P2313 is not a valid Crossfire code. However, this link may be helpful Mercedes P2313

 

Sorry, I'd covered this elsewhere but forgot to do so here. 2004 Crossfire auto. Stuck in Park but that can be remedied with the ballpoint pen trick. Car can then be driven but lurches into gears and sticks in limp mode. RCM has been re-soldered and one relay replaced (prior to that, it wouldn't start). Generic OBDII reader produced 0705 code. iCarsoft scanner, set to Merc SLK (170) 320 ,produces the 2313 code stated above. I haven't checked the condition of the cable and connector to the TCM yet, as I'm unab;le to access it currently due to where the car is parked. I'd hoped that the 2313 code would have helped identify where exactly within the transmission comms was responsible for the bad behaviour.

 

UPDATE FIXED JAN 2025

Yes, problem has been solved. I chased the issue for some time by myself, but it was really beyond my skillset. For someone that knows what they are doing-it took my mechanic who has worked on Mercedes for 14 years about 20 minutes. He used a multimeter and targeted the Brake Booster Sensor/Brake Booster Diaphram Position Sensor Part Number: 6500-08044460-info from Partsgeek.com (Chrysler Crossfire Service Manual calls the part "BAS Diaphram Travel Sensor"). He showed me that there was a possible voltage drop that seemed miniscule to me. I don't remember the #, but maybe it should have read 5 and it was 4.9. To me, that was close enough, but not in spec for him.

So the brake booster sensor came in to be replaced. (simple fix using a longer pick set) When he removed the brake booster sensor, it came out a littlle wet. Not knowing what I don't know, I would have just replaced it. He informed me that it should be DRY. So that meant that the master cylinder had leaked into the brake booster. So the brake master cylinder, brake booster and sensor had to be replaced. It has been fixed since January of 2025. The person who I purchased the car from, had a used/original brake booster from a parts car and mailed it to me saving me a hundreds of dollars. (Mercedes may sell a new brake booster for $800?)..