Check Engine Light
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Joined: May 2015
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Check Engine Light
I had issues the other day when i came out of work and my truck did not start. I finally pinpointed it was the starter after standing and crawling under the truck in the rain. I get the local shop to install the starter and now my truck sputters like it is misfiring. i can only assume the little bit i had the hood open in the rain wasn't good and rain got in somewhere which is causing it to do that. The check engine light came on and i went to Advanced Auto to get the code read and it turns out there is 4 of them.
- u0100..lost communication with ecm/pcm
-b1676..battery pack voltage out of range
- p0420...catalyst system efficientcy below threshold bank 1
- p1260...theft detected engine disabled
Anyone has any idea what where to look? when driving under a load the check engine light flashes and sputters the worst. i can only assume some 1 thing is triggering all these codes all of a sudden. it was fine before the starter went out. only thing i can think of was having the hood open in the rain. I have an appointment to get it looked at but was hoping to fix the problem myself and save myself the money.
- u0100..lost communication with ecm/pcm
-b1676..battery pack voltage out of range
- p0420...catalyst system efficientcy below threshold bank 1
- p1260...theft detected engine disabled
Anyone has any idea what where to look? when driving under a load the check engine light flashes and sputters the worst. i can only assume some 1 thing is triggering all these codes all of a sudden. it was fine before the starter went out. only thing i can think of was having the hood open in the rain. I have an appointment to get it looked at but was hoping to fix the problem myself and save myself the money.
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Joined: Jun 2015
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An ignition system misfire could have killed your catalytic convertor. The P1260 code could have been caused by disconnecting the battery repeatedly. The lost communication with ecm/pcm code may be a result of that also. The battery pack voltage out of range code could simply be the result of a blown fuse or a faulty alternator. I don't know if electrical components getting wet could trigger that one, but it sounds reasonable. Have Advance clear the codes and check the catalytic convertor.
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Could the battery pack voltage code possibly be from before the starter failed maybe? I sort of am leaning towards an ignition coil myself. But i'll see if they will clear them out for me and start over.
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