NISSAN OBD1 CODES CODE 12

The Odometer And Speedometer Do Not Work. The Tachometer Shows It Idle At 4,000 But Idle Is Fine. This Is How I Got The Car, Not Much Of...

I Put My 2011 Nissan Sentra Air Bag System Into Diagnostic Mode And It Is Flashing Out Codes 12, 1, 2 I'm Looking For Some Detailed...