TSB's

Nissan P4456

This bulletin applies to all 2009 and later Nissan models. On-board diagnosis of DTC P0456 is sometimes performed when the engine is not running.

This is known as Engine Off Natural Vacuum (EONV) diagnosis.

The following freeze frame data is NORMAL when DTC P0456 is stored during EONV diagnosis.

Note the minus values for two lines of data. Refer to the EC section of the service manual for further diagnostic information of DTC P0456.
<p>Note the minus values for two lines of data.&nbsp; Refer to the EC section of the service manual for further diagnostic information of DTC P0456.</p>

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