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P3400

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P3400 OBD-II Trouble Code: Cylinder Deactivation System Bank 1
P3400 trouble code definition The P3400 diagnostic trouble code indicates that there is a performance issue with the Cylinder Deactivation System in Bank 1. Related Trouble Codes: P3401 OBD-II Trouble...

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Check Engine Light on code P3400 showing
Hello. This particular code indicates a performance issue with the cylinder deactivation system on bank 1. If you believe that all of the recent repairs are holding, then you may want to turn your attention the the solenoid and sensor...

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