Engine Controls - MIL ON/O2 Sensor DTC's Set: Overview

Classification:
EC03-002

Reference:
ITB03-009

Date:
February 5, 2003

2002 QX4; MIL "ON" WITH REAR 02 SENSOR DTC P0138/P0139/P0158/P0159/P1147/P1167

APPLIED VEHICLES:
2002 QX4 (JR50)

IF YOU CONFIRM:

An applied 2002 QX4 has the MIL "ON" and any of the following DTC's are stored in the ECM:

^ P0138 (Bank 1) H02S2 (Rear) (High Voltage Monitoring)
^ P0139 (Bank 1) H02S2 (Rear) (Response Monitoring)
^ P1147 (Bank 1) H02S2 (Rear) (Max Voltage Monitoring)
^ P0158 (Bank 2) H02S2 (Rear) (High Voltage Monitoring)
^ P0159 (Bank 2) H02S2 (Rear) (Response Monitoring)
^ P1167 (Bank 2) H0252 (Rear) (Max Voltage Monitoring)

DETERMINE IF:

^ This bulletin applies by checking the ECM Part Number. You will do this by performing steps 1-3 in the Service Procedure.

ACTIONS:

If this bulletin applies,

^ Perform ECM Reprogramming. This is required if the ECM Part Number (P/N) in the vehicle matches one of those listed under "Current ECM P/N" in Chart A under service procedure.

^ Replace the Rear Oxygen Sensor(s). This is required if ECM Reprogramming is needed.

IMPORTANT:
The purpose of "ACTIONS" (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire Service Procedure as it contains information that is essential to successfully completing this repair.





PARTS INFORMATION

CLAIMS INFORMATION





Submit a Primary Failed Part (PP) line claim using the claims coding table shown.