Question about 2002 Chevrolet TrailBlazer
P1345 - Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation.
This code is a very strong indication of communication failure between the cam and crank shaft sensors. In order to diagnosis correctly, you will need ot purchase a genuine GM code reader. This code reader will allow you to run specific test that will isolate which sensors is damaged or if there are simple issues that exist in the wiring at each sensor. The special code reader will cost around 189 dollars. You can purchase it at your local auto zone or either high end auto parts store. If you cannot afford to purchase such tool; Take this vehicle to the nearest competent GM certified local mechanic or a near by GM dealership for the proper repair detail.
One or both of the sensors mentioned may be out of order or misaligned, thus, not allowing for an efficient pulse ping. There may be loose or deteriorating wiring at the connectors of each sensor or PCM ports, as well. You will need ot preform the test needed with the GM code reader to isolate the issue, properly.
Posted on Sep 04, 2010
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Posted on Jan 02, 2017
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