CEL 2 Codes

[TrippleXCA]

I pulled these 2 codes. And from what I can find.. They are both for the o2 sensor? Im confused.
Codes are
P0037
P0140

Any ideas?

 

[RicoP5]

•P0037 HO2S Heater Control Circuit Low (Bank 1 Sensor 2)

P1400 DPFE Sensor Circuit Low Input


hope this helps
list is here

http://www.mazdas247.com/forum/showthread.php?123777748-OBD-II-code-List

 

[TrippleXCA]

•P0037 HO2S Heater Control Circuit Low (Bank 1 Sensor 2)

P1400 DPFE Sensor Circuit Low Input


hope this helps
list is here

http://www.mazdas247.com/forum/showthread.php?123777748-OBD-II-code-List

Thank you for the link!
Im still confused on the codes. How do I get rid of them?

 

[RicoP5]

no prob. and not sure never seen those looking at that now