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07 chevy suburban 5.3L

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6 years 4 months ago #16508 by backbay
07 chevy suburban 5.3L was created by backbay
hello. im working on a 2007 suburban that has transmission code p1875. wont shift.

the oil pressure readings are all skewed as seen on my scanner. needle is dead. are the two related ?

any inout greatly apreciated

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6 years 4 months ago - 6 years 4 months ago #16512 by castironman
Replied by castironman on topic 07 chevy suburban 5.3L
Hello, can you please verify that these fuses are okay: ATC 20amp (engine wiring harness JB), IGN1 10amp and 4WD 15amp (fuse block). Then is time to check connectors and wires before going on replacing ECM, ATC,etc...please post your results.
Last edit: 6 years 4 months ago by castironman.

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6 years 4 months ago - 6 years 4 months ago #16513 by castironman
Replied by castironman on topic 07 chevy suburban 5.3L
I found a wiring diagram that may help you .

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File Name: transmissi...1-07.pdf
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Last edit: 6 years 4 months ago by castironman.
The following user(s) said Thank You: Tyler

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