Trouble Codes (2004 Nissan Altima) I did a diagnostic on my car and came up with three trouble codes. PO430 and PO340 & PO340 p/d.
Unfortunately, it's a common occurrence for a Nissan knock sensor code to set on some of the automakers most popular engines and model automobiles. Although 10 different knock sensor codes can set from P0325 through P0334 the most common code you'll find is the P0328. The code stands for knock sensor bank one sensor one circuit input high.
P0420 is a very common trouble code. This code number references a number that is given to you when you plug your Nissan Altima into a OBDII scanner. It doesn't matter which model you have, this OBDII code has the same meaning for all of them (1996+) Nissan Altima P0420 OBDII Code Defined. P0420 is a OBDII trouble code. The code technically stands for: Catalyst System Efficiency Below Threshold
This free video provides the steps to diagnose and clear a check engine light on a 2013 Nissan Altima S 2.5L 4 Cyl. Sedan. The video also provides steps on how to read the 2013 Nissan Altima S 2.5L 4 Cyl. Sedan trouble code
The trouble codes related to the "B" solenoid are codes P0775, P0776, P0777, P0778 and P0779. The code set is based on the specific malfunction that alerts the PCM and illuminates the Check Engine Light.
The diagnostic trouble codes will be displayed by the check engine lamp. For example, a code 12 will be displayed by the check engine lamp flashing 1 time for approximately 1.2 seconds, followed by a.6 second pause, then 2 short flashes. Each trouble code will be displayed 3 times before the next trouble code is displayed.