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Hi I'm new to this site, but I really could use some help with my 2015 Promaster 1500 ecodiesel.

shayvargas

New Member
Joined
Oct 31, 2026
Messages
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Truck Year
2015
Since buying this van I have owned it longer than Ive been able to drive it! I have replaced the starter, the alternator twice (first time I bought it used,) the NOX2 sensor, the DEF injector, the oil level sensor, and I am still in Limp mode!
I now need to replace the battery, I'm hoping that will fix the new codes that I'm getting. Not sure why codes aren't all shown at one time. I feel like I keep replacing parts then something else shows up. I'd love to delete the whole DEF system,but can't afford that!
Anyway the new codes that have me in limp mode are P224B, P05ED,C1200-16, B1011-18 and B1005-16. So my battery is dead and I believe it is just shot so I'm just going to replace it. What are my chances that replacing the battery will fix this issue? Also do I need to go into the OBD to relay to the ECU that I have replaced these parts? Is it possible it just doesn't know that they have been replaced and this is causing me to stay stuck in limp mode?
 
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