Sae P1XXX Diagnostic Trouble Codes

Engine

DTC	Error Message	Diagnostic Procedure	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL Illum
P1176	Bank 1, Lambda correction downstream of catalyst control limit reached	-- Refer to OXYGEN SENSOR G130 AND OXYGEN SENSOR REGULATION, CHECKING .	System too LEAN/RICH delta lambda signal >2%	Lambda controller, CLOSED loop Rear O2 sensor heater and electrical check, No DTC Catalyst temp, >470° C Engine speed, 1500 - 4000 rpm Engine load, 24 - 65%	100 Sec	2 DCY