CEL random
Thread Starter
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Laughing Gas
Joined: Apr 2007
Posts: 1,028
Likes: 3
From: Broad Run, Va
pulled codes:
DTCs in IC: U1059, U1262, B1352, B2658, B1318
DTCs in PCM: P0603, P1316, P0541
DTCs in GEM: P1876
Also ran some tests... got a P1273 and P1275 from injector electrical self test.
Also did KOER Switch Self Test and got P1536, P0220, P1780, P0571, P0703, P0565, P0566, P0567, P0568, P0569, P0541
also did a KOER cylinder contr test: P0248, P0541
Not sure what all these mean... but please let me know if you have any insight.
Andy
DTCs in IC: U1059, U1262, B1352, B2658, B1318
DTCs in PCM: P0603, P1316, P0541
DTCs in GEM: P1876
Also ran some tests... got a P1273 and P1275 from injector electrical self test.
Also did KOER Switch Self Test and got P1536, P0220, P1780, P0571, P0703, P0565, P0566, P0567, P0568, P0569, P0541
also did a KOER cylinder contr test: P0248, P0541
Not sure what all these mean... but please let me know if you have any insight.
Andy
Tuned
Joined: Oct 2006
Posts: 286
Likes: 0
From: Northern Virginia
pulled codes:
DTCs in IC: U1059, U1262, B1352, B2658, B1318
DTCs in PCM: P0603, P1316, P0541
DTCs in GEM: P1876
Also ran some tests... got a P1273 and P1275 from injector electrical self test.
Also did KOER Switch Self Test and got P1536, P0220, P1780, P0571, P0703, P0565, P0566, P0567, P0568, P0569, P0541
also did a KOER cylinder contr test: P0248, P0541
Not sure what all these mean... but please let me know if you have any insight.
Andy
DTCs in IC: U1059, U1262, B1352, B2658, B1318
DTCs in PCM: P0603, P1316, P0541
DTCs in GEM: P1876
Also ran some tests... got a P1273 and P1275 from injector electrical self test.
Also did KOER Switch Self Test and got P1536, P0220, P1780, P0571, P0703, P0565, P0566, P0567, P0568, P0569, P0541
also did a KOER cylinder contr test: P0248, P0541
Not sure what all these mean... but please let me know if you have any insight.
Andy
If you haven't done so, it may not be a bad idea to write them all down and clear them to see what comes back.
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From: Lake Hartwell, GA
Clear them and run the truck for a bit longer to see what comes back. There is a button at the bottom of the screen to delete them.
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Thread Starter
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Laughing Gas
Joined: Apr 2007
Posts: 1,028
Likes: 3
From: Broad Run, Va
Also, regarding the recurring CEL... I have been paying a little closer attention and it seems to come on when the boost is around 5 to 10 psi and will stay on unless you accelerate or slow down.
Thread Starter
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Laughing Gas
Joined: Apr 2007
Posts: 1,028
Likes: 3
From: Broad Run, Va
well you'll love this...
i went out and cleared all the codes... the P1273 and P1275 codes came back... So, i went to the wire harness and wiggled the wire harness near the UVCH connection on the passenger side. ReRan the test.. the codes did not come back... So, I guess I need a new UVCH for the passenger side. I did the drivers side a little over a year ago.
All this stuff came back though: KOER Switch Self Test and got P1536, P0220, P1780, P0571, P0703, P0565, P0566, P0567, P0568, P0569, P0541
i went out and cleared all the codes... the P1273 and P1275 codes came back... So, i went to the wire harness and wiggled the wire harness near the UVCH connection on the passenger side. ReRan the test.. the codes did not come back... So, I guess I need a new UVCH for the passenger side. I did the drivers side a little over a year ago.
All this stuff came back though: KOER Switch Self Test and got P1536, P0220, P1780, P0571, P0703, P0565, P0566, P0567, P0568, P0569, P0541
Thread Starter
|
Laughing Gas
Joined: Apr 2007
Posts: 1,028
Likes: 3
From: Broad Run, Va
I went back and read my old thread about loss of power when I had the new injectors put in about a year ago.... turns out I was getting the same P1273 and P1275 codes then as well... strange....
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