[regular guy]

2728 - P2297

2728 - P2297
Information saved in	DME
Fault code	2728 - P2297
Fault text	Oxygen sensor, coast-mode diagnosis before cat., bank 1
Fault description	O2 Sensor Out of Range During Deceleration (Bank 1 Sensor 1)
Condition for fault identification	Test condition: Oxygen sensor is available (via sensor temperature, no error code entries, etc.) but the AD value is less than 3398mV (K_LAVK_OBD_SA_SCHW) for a number of 2 (K_LAVK_OBD_SA_CNT) measurements
.	Terminal condition: Engine running - overrun condition
.	Voltage condition: none
Condition for fault memory entry	none
Action in service	1. Check plug and wiring harness to pre-cat oxygen sensor LSVK B1 (focus on opens in wires for virtual ground and pumping current)
.	2. Replace oxygen sensor
Fault effect and breakdown warning	MIL on after engine runs 2x
Driver information	Warning light: MIL
Service instruction	None