Possible Cause

DTC P014C, P014D, P015A and P015B

• Harness or connectors [The A/F sensor 1 (bank 1) circuit is open or shorted.]
• A/F sensor 1 (bank 1)

DTC P014E, P014F, P015C and P015D

• Harness or connectors [The A/F sensor 1 (bank 2) circuit is open or shorted.]
• A/F sensor 1 (bank 2)